1 /*- 2 * Copyright (c) 1997 Justin T. Gibbs. 3 * Copyright (c) 1997, 1998, 1999, 2000, 2001, 2002, 2003 Kenneth D. Merry. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions, and the following disclaimer, 11 * without modification, immediately at the beginning of the file. 12 * 2. The name of the author may not be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 19 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 /*- 29 * Portions of this driver taken from the original FreeBSD cd driver. 30 * Written by Julian Elischer (julian@tfs.com) 31 * for TRW Financial Systems for use under the MACH(2.5) operating system. 32 * 33 * TRW Financial Systems, in accordance with their agreement with Carnegie 34 * Mellon University, makes this software available to CMU to distribute 35 * or use in any manner that they see fit as long as this message is kept with 36 * the software. For this reason TFS also grants any other persons or 37 * organisations permission to use or modify this software. 38 * 39 * TFS supplies this software to be publicly redistributed 40 * on the understanding that TFS is not responsible for the correct 41 * functioning of this software in any circumstances. 42 * 43 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 44 * 45 * from: cd.c,v 1.83 1997/05/04 15:24:22 joerg Exp $ 46 */ 47 48 #include <sys/cdefs.h> 49 __FBSDID("$FreeBSD$"); 50 51 #include "opt_cd.h" 52 53 #include <sys/param.h> 54 #include <sys/systm.h> 55 #include <sys/kernel.h> 56 #include <sys/bio.h> 57 #include <sys/conf.h> 58 #include <sys/disk.h> 59 #include <sys/malloc.h> 60 #include <sys/cdio.h> 61 #include <sys/cdrio.h> 62 #include <sys/dvdio.h> 63 #include <sys/devicestat.h> 64 #include <sys/sysctl.h> 65 #include <sys/taskqueue.h> 66 #include <geom/geom_disk.h> 67 68 #include <cam/cam.h> 69 #include <cam/cam_ccb.h> 70 #include <cam/cam_periph.h> 71 #include <cam/cam_xpt_periph.h> 72 #include <cam/cam_queue.h> 73 74 #include <cam/scsi/scsi_message.h> 75 #include <cam/scsi/scsi_da.h> 76 #include <cam/scsi/scsi_cd.h> 77 78 #define LEADOUT 0xaa /* leadout toc entry */ 79 80 struct cd_params { 81 u_int32_t blksize; 82 u_long disksize; 83 }; 84 85 typedef enum { 86 CD_Q_NONE = 0x00, 87 CD_Q_NO_TOUCH = 0x01, 88 CD_Q_BCD_TRACKS = 0x02, 89 CD_Q_NO_CHANGER = 0x04, 90 CD_Q_CHANGER = 0x08, 91 CD_Q_10_BYTE_ONLY = 0x10 92 } cd_quirks; 93 94 typedef enum { 95 CD_FLAG_INVALID = 0x0001, 96 CD_FLAG_NEW_DISC = 0x0002, 97 CD_FLAG_DISC_LOCKED = 0x0004, 98 CD_FLAG_DISC_REMOVABLE = 0x0008, 99 CD_FLAG_TAGGED_QUEUING = 0x0010, 100 CD_FLAG_CHANGER = 0x0040, 101 CD_FLAG_ACTIVE = 0x0080, 102 CD_FLAG_SCHED_ON_COMP = 0x0100, 103 CD_FLAG_RETRY_UA = 0x0200, 104 CD_FLAG_VALID_MEDIA = 0x0400, 105 CD_FLAG_VALID_TOC = 0x0800, 106 CD_FLAG_SCTX_INIT = 0x1000 107 } cd_flags; 108 109 typedef enum { 110 CD_CCB_PROBE = 0x01, 111 CD_CCB_BUFFER_IO = 0x02, 112 CD_CCB_WAITING = 0x03, 113 CD_CCB_TYPE_MASK = 0x0F, 114 CD_CCB_RETRY_UA = 0x10 115 } cd_ccb_state; 116 117 typedef enum { 118 CHANGER_TIMEOUT_SCHED = 0x01, 119 CHANGER_SHORT_TMOUT_SCHED = 0x02, 120 CHANGER_MANUAL_CALL = 0x04, 121 CHANGER_NEED_TIMEOUT = 0x08 122 } cd_changer_flags; 123 124 #define ccb_state ppriv_field0 125 #define ccb_bp ppriv_ptr1 126 127 struct cd_tocdata { 128 struct ioc_toc_header header; 129 struct cd_toc_entry entries[100]; 130 }; 131 132 struct cd_toc_single { 133 struct ioc_toc_header header; 134 struct cd_toc_entry entry; 135 }; 136 137 typedef enum { 138 CD_STATE_PROBE, 139 CD_STATE_NORMAL 140 } cd_state; 141 142 struct cd_softc { 143 cam_pinfo pinfo; 144 cd_state state; 145 volatile cd_flags flags; 146 struct bio_queue_head bio_queue; 147 LIST_HEAD(, ccb_hdr) pending_ccbs; 148 struct cd_params params; 149 union ccb saved_ccb; 150 cd_quirks quirks; 151 STAILQ_ENTRY(cd_softc) changer_links; 152 struct cdchanger *changer; 153 int bufs_left; 154 struct cam_periph *periph; 155 int minimum_command_size; 156 int outstanding_cmds; 157 struct task sysctl_task; 158 struct sysctl_ctx_list sysctl_ctx; 159 struct sysctl_oid *sysctl_tree; 160 STAILQ_HEAD(, cd_mode_params) mode_queue; 161 struct cd_tocdata toc; 162 struct disk *disk; 163 }; 164 165 struct cd_page_sizes { 166 int page; 167 int page_size; 168 }; 169 170 static struct cd_page_sizes cd_page_size_table[] = 171 { 172 { AUDIO_PAGE, sizeof(struct cd_audio_page)} 173 }; 174 175 struct cd_quirk_entry { 176 struct scsi_inquiry_pattern inq_pat; 177 cd_quirks quirks; 178 }; 179 180 /* 181 * The changer quirk entries aren't strictly necessary. Basically, what 182 * they do is tell cdregister() up front that a device is a changer. 183 * Otherwise, it will figure that fact out once it sees a LUN on the device 184 * that is greater than 0. If it is known up front that a device is a changer, 185 * all I/O to the device will go through the changer scheduling routines, as 186 * opposed to the "normal" CD code. 187 * 188 * NOTE ON 10_BYTE_ONLY quirks: Any 10_BYTE_ONLY quirks MUST be because 189 * your device hangs when it gets a 10 byte command. Adding a quirk just 190 * to get rid of the informative diagnostic message is not acceptable. All 191 * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be 192 * referenced in a comment along with the quirk) , and must be approved by 193 * ken@FreeBSD.org. Any quirks added that don't adhere to this policy may 194 * be removed until the submitter can explain why they are needed. 195 * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary) 196 * when the CAM_NEW_TRAN_CODE work is done. 197 */ 198 static struct cd_quirk_entry cd_quirk_table[] = 199 { 200 { 201 { T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"}, 202 /*quirks*/ CD_Q_CHANGER 203 }, 204 { 205 { T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*", 206 "*"}, /* quirks */ CD_Q_CHANGER 207 }, 208 { 209 { T_CDROM, SIP_MEDIA_REMOVABLE, "NAKAMICH", "MJ-*", "*"}, 210 /* quirks */ CD_Q_CHANGER 211 }, 212 { 213 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, 214 /* quirks */ CD_Q_BCD_TRACKS 215 } 216 }; 217 218 static disk_open_t cdopen; 219 static disk_close_t cdclose; 220 static disk_ioctl_t cdioctl; 221 static disk_strategy_t cdstrategy; 222 223 static periph_init_t cdinit; 224 static periph_ctor_t cdregister; 225 static periph_dtor_t cdcleanup; 226 static periph_start_t cdstart; 227 static periph_oninv_t cdoninvalidate; 228 static void cdasync(void *callback_arg, u_int32_t code, 229 struct cam_path *path, void *arg); 230 static int cdcmdsizesysctl(SYSCTL_HANDLER_ARGS); 231 static void cdshorttimeout(void *arg); 232 static void cdschedule(struct cam_periph *periph, int priority); 233 static void cdrunchangerqueue(void *arg); 234 static void cdchangerschedule(struct cd_softc *softc); 235 static int cdrunccb(union ccb *ccb, 236 int (*error_routine)(union ccb *ccb, 237 u_int32_t cam_flags, 238 u_int32_t sense_flags), 239 u_int32_t cam_flags, u_int32_t sense_flags); 240 static union ccb *cdgetccb(struct cam_periph *periph, 241 u_int32_t priority); 242 static void cddone(struct cam_periph *periph, 243 union ccb *start_ccb); 244 static union cd_pages *cdgetpage(struct cd_mode_params *mode_params); 245 static int cdgetpagesize(int page_num); 246 static void cdprevent(struct cam_periph *periph, int action); 247 static int cdcheckmedia(struct cam_periph *periph); 248 static int cdsize(struct cam_periph *periph, u_int32_t *size); 249 static int cd6byteworkaround(union ccb *ccb); 250 static int cderror(union ccb *ccb, u_int32_t cam_flags, 251 u_int32_t sense_flags); 252 static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, 253 u_int32_t start, u_int8_t *data, 254 u_int32_t len, u_int32_t sense_flags); 255 static int cdgetmode(struct cam_periph *periph, 256 struct cd_mode_params *data, u_int32_t page); 257 static int cdsetmode(struct cam_periph *periph, 258 struct cd_mode_params *data); 259 static int cdplay(struct cam_periph *periph, u_int32_t blk, 260 u_int32_t len); 261 static int cdreadsubchannel(struct cam_periph *periph, 262 u_int32_t mode, u_int32_t format, 263 int track, 264 struct cd_sub_channel_info *data, 265 u_int32_t len); 266 static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, 267 u_int32_t starts, u_int32_t startf, 268 u_int32_t endm, u_int32_t ends, 269 u_int32_t endf); 270 static int cdplaytracks(struct cam_periph *periph, 271 u_int32_t strack, u_int32_t sindex, 272 u_int32_t etrack, u_int32_t eindex); 273 static int cdpause(struct cam_periph *periph, u_int32_t go); 274 static int cdstopunit(struct cam_periph *periph, u_int32_t eject); 275 static int cdstartunit(struct cam_periph *periph, int load); 276 static int cdsetspeed(struct cam_periph *periph, 277 u_int32_t rdspeed, u_int32_t wrspeed); 278 static int cdreportkey(struct cam_periph *periph, 279 struct dvd_authinfo *authinfo); 280 static int cdsendkey(struct cam_periph *periph, 281 struct dvd_authinfo *authinfo); 282 static int cdreaddvdstructure(struct cam_periph *periph, 283 struct dvd_struct *dvdstruct); 284 285 static struct periph_driver cddriver = 286 { 287 cdinit, "cd", 288 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 289 }; 290 291 PERIPHDRIVER_DECLARE(cd, cddriver); 292 293 294 static int num_changers; 295 296 #ifndef CHANGER_MIN_BUSY_SECONDS 297 #define CHANGER_MIN_BUSY_SECONDS 5 298 #endif 299 #ifndef CHANGER_MAX_BUSY_SECONDS 300 #define CHANGER_MAX_BUSY_SECONDS 15 301 #endif 302 303 static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS; 304 static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS; 305 306 SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 307 SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer"); 308 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW, 309 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum"); 310 TUNABLE_INT("kern.cam.cd.changer.min_busy_seconds", &changer_min_busy_seconds); 311 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW, 312 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum"); 313 TUNABLE_INT("kern.cam.cd.changer.max_busy_seconds", &changer_max_busy_seconds); 314 315 struct cdchanger { 316 path_id_t path_id; 317 target_id_t target_id; 318 int num_devices; 319 struct camq devq; 320 struct timeval start_time; 321 struct cd_softc *cur_device; 322 struct callout_handle short_handle; 323 struct callout_handle long_handle; 324 volatile cd_changer_flags flags; 325 STAILQ_ENTRY(cdchanger) changer_links; 326 STAILQ_HEAD(chdevlist, cd_softc) chluns; 327 }; 328 329 static STAILQ_HEAD(changerlist, cdchanger) changerq; 330 331 332 static void 333 cdinit(void) 334 { 335 cam_status status; 336 struct cam_path *path; 337 338 /* 339 * Install a global async callback. This callback will 340 * receive async callbacks like "new device found". 341 */ 342 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 343 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 344 345 if (status == CAM_REQ_CMP) { 346 struct ccb_setasync csa; 347 348 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 349 csa.ccb_h.func_code = XPT_SASYNC_CB; 350 csa.event_enable = AC_FOUND_DEVICE; 351 csa.callback = cdasync; 352 csa.callback_arg = NULL; 353 xpt_action((union ccb *)&csa); 354 status = csa.ccb_h.status; 355 xpt_free_path(path); 356 } 357 358 if (status != CAM_REQ_CMP) { 359 printf("cd: Failed to attach master async callback " 360 "due to status 0x%x!\n", status); 361 } 362 } 363 364 static void 365 cdoninvalidate(struct cam_periph *periph) 366 { 367 int s; 368 struct cd_softc *softc; 369 struct ccb_setasync csa; 370 371 softc = (struct cd_softc *)periph->softc; 372 373 /* 374 * De-register any async callbacks. 375 */ 376 xpt_setup_ccb(&csa.ccb_h, periph->path, 377 /* priority */ 5); 378 csa.ccb_h.func_code = XPT_SASYNC_CB; 379 csa.event_enable = 0; 380 csa.callback = cdasync; 381 csa.callback_arg = periph; 382 xpt_action((union ccb *)&csa); 383 384 softc->flags |= CD_FLAG_INVALID; 385 386 /* 387 * Although the oninvalidate() routines are always called at 388 * splsoftcam, we need to be at splbio() here to keep the buffer 389 * queue from being modified while we traverse it. 390 */ 391 s = splbio(); 392 393 /* 394 * Return all queued I/O with ENXIO. 395 * XXX Handle any transactions queued to the card 396 * with XPT_ABORT_CCB. 397 */ 398 bioq_flush(&softc->bio_queue, NULL, ENXIO); 399 splx(s); 400 401 /* 402 * If this device is part of a changer, and it was scheduled 403 * to run, remove it from the run queue since we just nuked 404 * all of its scheduled I/O. 405 */ 406 if ((softc->flags & CD_FLAG_CHANGER) 407 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 408 camq_remove(&softc->changer->devq, softc->pinfo.index); 409 410 disk_gone(softc->disk); 411 xpt_print(periph->path, "lost device\n"); 412 } 413 414 static void 415 cdcleanup(struct cam_periph *periph) 416 { 417 struct cd_softc *softc; 418 int s; 419 420 softc = (struct cd_softc *)periph->softc; 421 422 xpt_print(periph->path, "removing device entry\n"); 423 424 if ((softc->flags & CD_FLAG_SCTX_INIT) != 0 425 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 426 xpt_print(periph->path, "can't remove sysctl context\n"); 427 } 428 429 s = splsoftcam(); 430 /* 431 * In the queued, non-active case, the device in question 432 * has already been removed from the changer run queue. Since this 433 * device is active, we need to de-activate it, and schedule 434 * another device to run. (if there is another one to run) 435 */ 436 if ((softc->flags & CD_FLAG_CHANGER) 437 && (softc->flags & CD_FLAG_ACTIVE)) { 438 439 /* 440 * The purpose of the short timeout is soley to determine 441 * whether the current device has finished or not. Well, 442 * since we're removing the active device, we know that it 443 * is finished. So, get rid of the short timeout. 444 * Otherwise, if we're in the time period before the short 445 * timeout fires, and there are no other devices in the 446 * queue to run, there won't be any other device put in the 447 * active slot. i.e., when we call cdrunchangerqueue() 448 * below, it won't do anything. Then, when the short 449 * timeout fires, it'll look at the "current device", which 450 * we are free below, and possibly panic the kernel on a 451 * bogus pointer reference. 452 * 453 * The long timeout doesn't really matter, since we 454 * decrement the qfrozen_cnt to indicate that there is 455 * nothing in the active slot now. Therefore, there won't 456 * be any bogus pointer references there. 457 */ 458 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 459 untimeout(cdshorttimeout, softc->changer, 460 softc->changer->short_handle); 461 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 462 } 463 softc->changer->devq.qfrozen_cnt--; 464 softc->changer->flags |= CHANGER_MANUAL_CALL; 465 cdrunchangerqueue(softc->changer); 466 } 467 468 /* 469 * If we're removing the last device on the changer, go ahead and 470 * remove the changer device structure. 471 */ 472 if ((softc->flags & CD_FLAG_CHANGER) 473 && (--softc->changer->num_devices == 0)) { 474 475 /* 476 * Theoretically, there shouldn't be any timeouts left, but 477 * I'm not completely sure that that will be the case. So, 478 * it won't hurt to check and see if there are any left. 479 */ 480 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 481 untimeout(cdrunchangerqueue, softc->changer, 482 softc->changer->long_handle); 483 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 484 } 485 486 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 487 untimeout(cdshorttimeout, softc->changer, 488 softc->changer->short_handle); 489 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 490 } 491 492 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 493 changer_links); 494 xpt_print(periph->path, "removing changer entry\n"); 495 free(softc->changer, M_DEVBUF); 496 num_changers--; 497 } 498 disk_destroy(softc->disk); 499 free(softc, M_DEVBUF); 500 splx(s); 501 } 502 503 static void 504 cdasync(void *callback_arg, u_int32_t code, 505 struct cam_path *path, void *arg) 506 { 507 struct cam_periph *periph; 508 509 periph = (struct cam_periph *)callback_arg; 510 switch (code) { 511 case AC_FOUND_DEVICE: 512 { 513 struct ccb_getdev *cgd; 514 cam_status status; 515 516 cgd = (struct ccb_getdev *)arg; 517 if (cgd == NULL) 518 break; 519 520 if (SID_TYPE(&cgd->inq_data) != T_CDROM 521 && SID_TYPE(&cgd->inq_data) != T_WORM) 522 break; 523 524 /* 525 * Allocate a peripheral instance for 526 * this device and start the probe 527 * process. 528 */ 529 status = cam_periph_alloc(cdregister, cdoninvalidate, 530 cdcleanup, cdstart, 531 "cd", CAM_PERIPH_BIO, 532 cgd->ccb_h.path, cdasync, 533 AC_FOUND_DEVICE, cgd); 534 535 if (status != CAM_REQ_CMP 536 && status != CAM_REQ_INPROG) 537 printf("cdasync: Unable to attach new device " 538 "due to status 0x%x\n", status); 539 540 break; 541 } 542 case AC_SENT_BDR: 543 case AC_BUS_RESET: 544 { 545 struct cd_softc *softc; 546 struct ccb_hdr *ccbh; 547 int s; 548 549 softc = (struct cd_softc *)periph->softc; 550 s = splsoftcam(); 551 /* 552 * Don't fail on the expected unit attention 553 * that will occur. 554 */ 555 softc->flags |= CD_FLAG_RETRY_UA; 556 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 557 ccbh->ccb_state |= CD_CCB_RETRY_UA; 558 splx(s); 559 /* FALLTHROUGH */ 560 } 561 default: 562 cam_periph_async(periph, code, path, arg); 563 break; 564 } 565 } 566 567 static void 568 cdsysctlinit(void *context, int pending) 569 { 570 struct cam_periph *periph; 571 struct cd_softc *softc; 572 char tmpstr[80], tmpstr2[80]; 573 574 periph = (struct cam_periph *)context; 575 softc = (struct cd_softc *)periph->softc; 576 577 snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number); 578 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 579 580 mtx_lock(&Giant); 581 582 sysctl_ctx_init(&softc->sysctl_ctx); 583 softc->flags |= CD_FLAG_SCTX_INIT; 584 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 585 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO, 586 tmpstr2, CTLFLAG_RD, 0, tmpstr); 587 588 if (softc->sysctl_tree == NULL) { 589 printf("cdsysctlinit: unable to allocate sysctl tree\n"); 590 mtx_unlock(&Giant); 591 return; 592 } 593 594 /* 595 * Now register the sysctl handler, so the user can the value on 596 * the fly. 597 */ 598 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 599 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 600 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I", 601 "Minimum CDB size"); 602 603 mtx_unlock(&Giant); 604 } 605 606 /* 607 * We have a handler function for this so we can check the values when the 608 * user sets them, instead of every time we look at them. 609 */ 610 static int 611 cdcmdsizesysctl(SYSCTL_HANDLER_ARGS) 612 { 613 int error, value; 614 615 value = *(int *)arg1; 616 617 error = sysctl_handle_int(oidp, &value, 0, req); 618 619 if ((error != 0) 620 || (req->newptr == NULL)) 621 return (error); 622 623 /* 624 * The only real values we can have here are 6 or 10. I don't 625 * really forsee having 12 be an option at any time in the future. 626 * So if the user sets something less than or equal to 6, we'll set 627 * it to 6. If he sets something greater than 6, we'll set it to 10. 628 * 629 * I suppose we could just return an error here for the wrong values, 630 * but I don't think it's necessary to do so, as long as we can 631 * determine the user's intent without too much trouble. 632 */ 633 if (value < 6) 634 value = 6; 635 else if (value > 6) 636 value = 10; 637 638 *(int *)arg1 = value; 639 640 return (0); 641 } 642 643 static cam_status 644 cdregister(struct cam_periph *periph, void *arg) 645 { 646 struct cd_softc *softc; 647 struct ccb_setasync csa; 648 struct ccb_pathinq cpi; 649 struct ccb_getdev *cgd; 650 char tmpstr[80]; 651 caddr_t match; 652 653 cgd = (struct ccb_getdev *)arg; 654 if (periph == NULL) { 655 printf("cdregister: periph was NULL!!\n"); 656 return(CAM_REQ_CMP_ERR); 657 } 658 if (cgd == NULL) { 659 printf("cdregister: no getdev CCB, can't register device\n"); 660 return(CAM_REQ_CMP_ERR); 661 } 662 663 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT); 664 665 if (softc == NULL) { 666 printf("cdregister: Unable to probe new device. " 667 "Unable to allocate softc\n"); 668 return(CAM_REQ_CMP_ERR); 669 } 670 671 bzero(softc, sizeof(*softc)); 672 LIST_INIT(&softc->pending_ccbs); 673 STAILQ_INIT(&softc->mode_queue); 674 softc->state = CD_STATE_PROBE; 675 bioq_init(&softc->bio_queue); 676 if (SID_IS_REMOVABLE(&cgd->inq_data)) 677 softc->flags |= CD_FLAG_DISC_REMOVABLE; 678 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 679 softc->flags |= CD_FLAG_TAGGED_QUEUING; 680 681 periph->softc = softc; 682 softc->periph = periph; 683 684 /* 685 * See if this device has any quirks. 686 */ 687 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 688 (caddr_t)cd_quirk_table, 689 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 690 sizeof(*cd_quirk_table), scsi_inquiry_match); 691 692 if (match != NULL) 693 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 694 else 695 softc->quirks = CD_Q_NONE; 696 697 /* Check if the SIM does not want 6 byte commands */ 698 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1); 699 cpi.ccb_h.func_code = XPT_PATH_INQ; 700 xpt_action((union ccb *)&cpi); 701 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 702 softc->quirks |= CD_Q_10_BYTE_ONLY; 703 704 TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph); 705 706 /* The default is 6 byte commands, unless quirked otherwise */ 707 if (softc->quirks & CD_Q_10_BYTE_ONLY) 708 softc->minimum_command_size = 10; 709 else 710 softc->minimum_command_size = 6; 711 712 /* 713 * Load the user's default, if any. 714 */ 715 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", 716 periph->unit_number); 717 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); 718 719 /* 6 and 10 are the only permissible values here. */ 720 if (softc->minimum_command_size < 6) 721 softc->minimum_command_size = 6; 722 else if (softc->minimum_command_size > 6) 723 softc->minimum_command_size = 10; 724 725 /* 726 * We need to register the statistics structure for this device, 727 * but we don't have the blocksize yet for it. So, we register 728 * the structure and indicate that we don't have the blocksize 729 * yet. Unlike other SCSI peripheral drivers, we explicitly set 730 * the device type here to be CDROM, rather than just ORing in 731 * the device type. This is because this driver can attach to either 732 * CDROM or WORM devices, and we want this peripheral driver to 733 * show up in the devstat list as a CD peripheral driver, not a 734 * WORM peripheral driver. WORM drives will also have the WORM 735 * driver attached to them. 736 */ 737 softc->disk = disk_alloc(); 738 softc->disk->d_devstat = devstat_new_entry("cd", 739 periph->unit_number, 0, 740 DEVSTAT_BS_UNAVAILABLE, 741 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 742 DEVSTAT_PRIORITY_CD); 743 softc->disk->d_open = cdopen; 744 softc->disk->d_close = cdclose; 745 softc->disk->d_strategy = cdstrategy; 746 softc->disk->d_ioctl = cdioctl; 747 softc->disk->d_name = "cd"; 748 softc->disk->d_unit = periph->unit_number; 749 softc->disk->d_drv1 = periph; 750 softc->disk->d_flags = DISKFLAG_NEEDSGIANT; 751 disk_create(softc->disk, DISK_VERSION); 752 753 /* 754 * Add an async callback so that we get 755 * notified if this device goes away. 756 */ 757 xpt_setup_ccb(&csa.ccb_h, periph->path, 758 /* priority */ 5); 759 csa.ccb_h.func_code = XPT_SASYNC_CB; 760 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; 761 csa.callback = cdasync; 762 csa.callback_arg = periph; 763 xpt_action((union ccb *)&csa); 764 765 /* 766 * If the target lun is greater than 0, we most likely have a CD 767 * changer device. Check the quirk entries as well, though, just 768 * in case someone has a CD tower with one lun per drive or 769 * something like that. Also, if we know up front that a 770 * particular device is a changer, we can mark it as such starting 771 * with lun 0, instead of lun 1. It shouldn't be necessary to have 772 * a quirk entry to define something as a changer, however. 773 */ 774 if (((cgd->ccb_h.target_lun > 0) 775 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 776 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 777 struct cdchanger *nchanger; 778 struct cam_periph *nperiph; 779 struct cam_path *path; 780 cam_status status; 781 int found; 782 783 /* Set the changer flag in the current device's softc */ 784 softc->flags |= CD_FLAG_CHANGER; 785 786 if (num_changers == 0) 787 STAILQ_INIT(&changerq); 788 789 /* 790 * Now, look around for an existing changer device with the 791 * same path and target ID as the current device. 792 */ 793 for (found = 0, 794 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 795 nchanger != NULL; 796 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 797 if ((nchanger->path_id == cgd->ccb_h.path_id) 798 && (nchanger->target_id == cgd->ccb_h.target_id)) { 799 found = 1; 800 break; 801 } 802 } 803 804 /* 805 * If we found a matching entry, just add this device to 806 * the list of devices on this changer. 807 */ 808 if (found == 1) { 809 struct chdevlist *chlunhead; 810 811 chlunhead = &nchanger->chluns; 812 813 /* 814 * XXX KDM look at consolidating this code with the 815 * code below in a separate function. 816 */ 817 818 /* 819 * Create a path with lun id 0, and see if we can 820 * find a matching device 821 */ 822 status = xpt_create_path(&path, /*periph*/ periph, 823 cgd->ccb_h.path_id, 824 cgd->ccb_h.target_id, 0); 825 826 if ((status == CAM_REQ_CMP) 827 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 828 struct cd_softc *nsoftc; 829 830 nsoftc = (struct cd_softc *)nperiph->softc; 831 832 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 833 nsoftc->flags |= CD_FLAG_CHANGER; 834 nchanger->num_devices++; 835 if (camq_resize(&nchanger->devq, 836 nchanger->num_devices)!=CAM_REQ_CMP){ 837 printf("cdregister: " 838 "camq_resize " 839 "failed, changer " 840 "support may " 841 "be messed up\n"); 842 } 843 nsoftc->changer = nchanger; 844 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 845 846 STAILQ_INSERT_TAIL(&nchanger->chluns, 847 nsoftc,changer_links); 848 } 849 xpt_free_path(path); 850 } else if (status == CAM_REQ_CMP) 851 xpt_free_path(path); 852 else { 853 printf("cdregister: unable to allocate path\n" 854 "cdregister: changer support may be " 855 "broken\n"); 856 } 857 858 nchanger->num_devices++; 859 860 softc->changer = nchanger; 861 softc->pinfo.index = CAM_UNQUEUED_INDEX; 862 863 if (camq_resize(&nchanger->devq, 864 nchanger->num_devices) != CAM_REQ_CMP) { 865 printf("cdregister: camq_resize " 866 "failed, changer support may " 867 "be messed up\n"); 868 } 869 870 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 871 } 872 /* 873 * In this case, we don't already have an entry for this 874 * particular changer, so we need to create one, add it to 875 * the queue, and queue this device on the list for this 876 * changer. Before we queue this device, however, we need 877 * to search for lun id 0 on this target, and add it to the 878 * queue first, if it exists. (and if it hasn't already 879 * been marked as part of the changer.) 880 */ 881 else { 882 nchanger = malloc(sizeof(struct cdchanger), 883 M_DEVBUF, M_NOWAIT); 884 885 if (nchanger == NULL) { 886 softc->flags &= ~CD_FLAG_CHANGER; 887 printf("cdregister: unable to malloc " 888 "changer structure\ncdregister: " 889 "changer support disabled\n"); 890 891 /* 892 * Yes, gotos can be gross but in this case 893 * I think it's justified.. 894 */ 895 goto cdregisterexit; 896 } 897 898 /* zero the structure */ 899 bzero(nchanger, sizeof(struct cdchanger)); 900 901 if (camq_init(&nchanger->devq, 1) != 0) { 902 softc->flags &= ~CD_FLAG_CHANGER; 903 printf("cdregister: changer support " 904 "disabled\n"); 905 goto cdregisterexit; 906 } 907 908 num_changers++; 909 910 nchanger->path_id = cgd->ccb_h.path_id; 911 nchanger->target_id = cgd->ccb_h.target_id; 912 913 /* this is superfluous, but it makes things clearer */ 914 nchanger->num_devices = 0; 915 916 STAILQ_INIT(&nchanger->chluns); 917 918 STAILQ_INSERT_TAIL(&changerq, nchanger, 919 changer_links); 920 921 /* 922 * Create a path with lun id 0, and see if we can 923 * find a matching device 924 */ 925 status = xpt_create_path(&path, /*periph*/ periph, 926 cgd->ccb_h.path_id, 927 cgd->ccb_h.target_id, 0); 928 929 /* 930 * If we were able to allocate the path, and if we 931 * find a matching device and it isn't already 932 * marked as part of a changer, then we add it to 933 * the current changer. 934 */ 935 if ((status == CAM_REQ_CMP) 936 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 937 && ((((struct cd_softc *)periph->softc)->flags & 938 CD_FLAG_CHANGER) == 0)) { 939 struct cd_softc *nsoftc; 940 941 nsoftc = (struct cd_softc *)nperiph->softc; 942 943 nsoftc->flags |= CD_FLAG_CHANGER; 944 nchanger->num_devices++; 945 if (camq_resize(&nchanger->devq, 946 nchanger->num_devices) != CAM_REQ_CMP) { 947 printf("cdregister: camq_resize " 948 "failed, changer support may " 949 "be messed up\n"); 950 } 951 nsoftc->changer = nchanger; 952 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 953 954 STAILQ_INSERT_TAIL(&nchanger->chluns, 955 nsoftc, changer_links); 956 xpt_free_path(path); 957 } else if (status == CAM_REQ_CMP) 958 xpt_free_path(path); 959 else { 960 printf("cdregister: unable to allocate path\n" 961 "cdregister: changer support may be " 962 "broken\n"); 963 } 964 965 softc->changer = nchanger; 966 softc->pinfo.index = CAM_UNQUEUED_INDEX; 967 nchanger->num_devices++; 968 if (camq_resize(&nchanger->devq, 969 nchanger->num_devices) != CAM_REQ_CMP) { 970 printf("cdregister: camq_resize " 971 "failed, changer support may " 972 "be messed up\n"); 973 } 974 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 975 changer_links); 976 } 977 } 978 979 cdregisterexit: 980 981 /* Lock this peripheral until we are setup */ 982 /* Can't block */ 983 cam_periph_lock(periph, PRIBIO); 984 985 if ((softc->flags & CD_FLAG_CHANGER) == 0) 986 xpt_schedule(periph, /*priority*/5); 987 else 988 cdschedule(periph, /*priority*/ 5); 989 990 return(CAM_REQ_CMP); 991 } 992 993 static int 994 cdopen(struct disk *dp) 995 { 996 struct cam_periph *periph; 997 struct cd_softc *softc; 998 int error; 999 int s; 1000 1001 periph = (struct cam_periph *)dp->d_drv1; 1002 if (periph == NULL) 1003 return (ENXIO); 1004 1005 softc = (struct cd_softc *)periph->softc; 1006 1007 /* 1008 * Grab splsoftcam and hold it until we lock the peripheral. 1009 */ 1010 s = splsoftcam(); 1011 if (softc->flags & CD_FLAG_INVALID) { 1012 splx(s); 1013 return(ENXIO); 1014 } 1015 1016 if ((error = cam_periph_lock(periph, PRIBIO | PCATCH)) != 0) { 1017 splx(s); 1018 return (error); 1019 } 1020 1021 splx(s); 1022 1023 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1024 return(ENXIO); 1025 1026 /* 1027 * Check for media, and set the appropriate flags. We don't bail 1028 * if we don't have media, but then we don't allow anything but the 1029 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 1030 */ 1031 cdcheckmedia(periph); 1032 1033 cam_periph_unlock(periph); 1034 1035 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 1036 1037 return (error); 1038 } 1039 1040 static int 1041 cdclose(struct disk *dp) 1042 { 1043 struct cam_periph *periph; 1044 struct cd_softc *softc; 1045 int error; 1046 1047 periph = (struct cam_periph *)dp->d_drv1; 1048 if (periph == NULL) 1049 return (ENXIO); 1050 1051 softc = (struct cd_softc *)periph->softc; 1052 1053 if ((error = cam_periph_lock(periph, PRIBIO)) != 0) 1054 return (error); 1055 1056 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1057 cdprevent(periph, PR_ALLOW); 1058 1059 /* 1060 * Since we're closing this CD, mark the blocksize as unavailable. 1061 * It will be marked as available when the CD is opened again. 1062 */ 1063 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 1064 1065 /* 1066 * We'll check the media and toc again at the next open(). 1067 */ 1068 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 1069 1070 cam_periph_unlock(periph); 1071 cam_periph_release(periph); 1072 1073 return (0); 1074 } 1075 1076 static void 1077 cdshorttimeout(void *arg) 1078 { 1079 struct cdchanger *changer; 1080 int s; 1081 1082 s = splsoftcam(); 1083 1084 changer = (struct cdchanger *)arg; 1085 1086 /* Always clear the short timeout flag, since that's what we're in */ 1087 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1088 1089 /* 1090 * Check to see if there is any more pending or outstanding I/O for 1091 * this device. If not, move it out of the active slot. 1092 */ 1093 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1094 && (changer->cur_device->outstanding_cmds == 0)) { 1095 changer->flags |= CHANGER_MANUAL_CALL; 1096 cdrunchangerqueue(changer); 1097 } 1098 1099 splx(s); 1100 } 1101 1102 /* 1103 * This is a wrapper for xpt_schedule. It only applies to changers. 1104 */ 1105 static void 1106 cdschedule(struct cam_periph *periph, int priority) 1107 { 1108 struct cd_softc *softc; 1109 int s; 1110 1111 s = splsoftcam(); 1112 1113 softc = (struct cd_softc *)periph->softc; 1114 1115 /* 1116 * If this device isn't currently queued, and if it isn't 1117 * the active device, then we queue this device and run the 1118 * changer queue if there is no timeout scheduled to do it. 1119 * If this device is the active device, just schedule it 1120 * to run again. If this device is queued, there should be 1121 * a timeout in place already that will make sure it runs. 1122 */ 1123 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1124 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1125 /* 1126 * We don't do anything with the priority here. 1127 * This is strictly a fifo queue. 1128 */ 1129 softc->pinfo.priority = 1; 1130 softc->pinfo.generation = ++softc->changer->devq.generation; 1131 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1132 1133 /* 1134 * Since we just put a device in the changer queue, 1135 * check and see if there is a timeout scheduled for 1136 * this changer. If so, let the timeout handle 1137 * switching this device into the active slot. If 1138 * not, manually call the timeout routine to 1139 * bootstrap things. 1140 */ 1141 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1142 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1143 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1144 softc->changer->flags |= CHANGER_MANUAL_CALL; 1145 cdrunchangerqueue(softc->changer); 1146 } 1147 } else if ((softc->flags & CD_FLAG_ACTIVE) 1148 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1149 xpt_schedule(periph, priority); 1150 1151 splx(s); 1152 1153 } 1154 1155 static void 1156 cdrunchangerqueue(void *arg) 1157 { 1158 struct cd_softc *softc; 1159 struct cdchanger *changer; 1160 int called_from_timeout; 1161 int s; 1162 1163 s = splsoftcam(); 1164 1165 changer = (struct cdchanger *)arg; 1166 1167 /* 1168 * If we have NOT been called from cdstrategy() or cddone(), and 1169 * instead from a timeout routine, go ahead and clear the 1170 * timeout flag. 1171 */ 1172 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1173 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1174 called_from_timeout = 1; 1175 } else 1176 called_from_timeout = 0; 1177 1178 /* Always clear the manual call flag */ 1179 changer->flags &= ~CHANGER_MANUAL_CALL; 1180 1181 /* nothing to do if the queue is empty */ 1182 if (changer->devq.entries <= 0) { 1183 splx(s); 1184 return; 1185 } 1186 1187 /* 1188 * If the changer queue is frozen, that means we have an active 1189 * device. 1190 */ 1191 if (changer->devq.qfrozen_cnt > 0) { 1192 1193 if (changer->cur_device->outstanding_cmds > 0) { 1194 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1195 changer->cur_device->bufs_left = 1196 changer->cur_device->outstanding_cmds; 1197 if (called_from_timeout) { 1198 changer->long_handle = 1199 timeout(cdrunchangerqueue, changer, 1200 changer_max_busy_seconds * hz); 1201 changer->flags |= CHANGER_TIMEOUT_SCHED; 1202 } 1203 splx(s); 1204 return; 1205 } 1206 1207 /* 1208 * We always need to reset the frozen count and clear the 1209 * active flag. 1210 */ 1211 changer->devq.qfrozen_cnt--; 1212 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1213 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1214 1215 /* 1216 * Check to see whether the current device has any I/O left 1217 * to do. If so, requeue it at the end of the queue. If 1218 * not, there is no need to requeue it. 1219 */ 1220 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1221 1222 changer->cur_device->pinfo.generation = 1223 ++changer->devq.generation; 1224 camq_insert(&changer->devq, 1225 (cam_pinfo *)changer->cur_device); 1226 } 1227 } 1228 1229 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1230 1231 changer->cur_device = softc; 1232 1233 changer->devq.qfrozen_cnt++; 1234 softc->flags |= CD_FLAG_ACTIVE; 1235 1236 /* Just in case this device is waiting */ 1237 wakeup(&softc->changer); 1238 xpt_schedule(softc->periph, /*priority*/ 1); 1239 1240 /* 1241 * Get rid of any pending timeouts, and set a flag to schedule new 1242 * ones so this device gets its full time quantum. 1243 */ 1244 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1245 untimeout(cdrunchangerqueue, changer, changer->long_handle); 1246 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1247 } 1248 1249 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1250 untimeout(cdshorttimeout, changer, changer->short_handle); 1251 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1252 } 1253 1254 /* 1255 * We need to schedule timeouts, but we only do this after the 1256 * first transaction has completed. This eliminates the changer 1257 * switch time. 1258 */ 1259 changer->flags |= CHANGER_NEED_TIMEOUT; 1260 1261 splx(s); 1262 } 1263 1264 static void 1265 cdchangerschedule(struct cd_softc *softc) 1266 { 1267 struct cdchanger *changer; 1268 int s; 1269 1270 s = splsoftcam(); 1271 1272 changer = softc->changer; 1273 1274 /* 1275 * If this is a changer, and this is the current device, 1276 * and this device has at least the minimum time quantum to 1277 * run, see if we can switch it out. 1278 */ 1279 if ((softc->flags & CD_FLAG_ACTIVE) 1280 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1281 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1282 /* 1283 * We try three things here. The first is that we 1284 * check to see whether the schedule on completion 1285 * flag is set. If it is, we decrement the number 1286 * of buffers left, and if it's zero, we reschedule. 1287 * Next, we check to see whether the pending buffer 1288 * queue is empty and whether there are no 1289 * outstanding transactions. If so, we reschedule. 1290 * Next, we see if the pending buffer queue is empty. 1291 * If it is, we set the number of buffers left to 1292 * the current active buffer count and set the 1293 * schedule on complete flag. 1294 */ 1295 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1296 if (--softc->bufs_left == 0) { 1297 softc->changer->flags |= 1298 CHANGER_MANUAL_CALL; 1299 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1300 cdrunchangerqueue(softc->changer); 1301 } 1302 } else if ((bioq_first(&softc->bio_queue) == NULL) 1303 && (softc->outstanding_cmds == 0)) { 1304 softc->changer->flags |= CHANGER_MANUAL_CALL; 1305 cdrunchangerqueue(softc->changer); 1306 } 1307 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1308 && (softc->flags & CD_FLAG_ACTIVE)) { 1309 1310 /* 1311 * Now that the first transaction to this 1312 * particular device has completed, we can go ahead 1313 * and schedule our timeouts. 1314 */ 1315 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1316 changer->long_handle = 1317 timeout(cdrunchangerqueue, changer, 1318 changer_max_busy_seconds * hz); 1319 changer->flags |= CHANGER_TIMEOUT_SCHED; 1320 } else 1321 printf("cdchangerschedule: already have a long" 1322 " timeout!\n"); 1323 1324 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1325 changer->short_handle = 1326 timeout(cdshorttimeout, changer, 1327 changer_min_busy_seconds * hz); 1328 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1329 } else 1330 printf("cdchangerschedule: already have a short " 1331 "timeout!\n"); 1332 1333 /* 1334 * We just scheduled timeouts, no need to schedule 1335 * more. 1336 */ 1337 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1338 1339 } 1340 splx(s); 1341 } 1342 1343 static int 1344 cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1345 u_int32_t cam_flags, 1346 u_int32_t sense_flags), 1347 u_int32_t cam_flags, u_int32_t sense_flags) 1348 { 1349 struct cd_softc *softc; 1350 struct cam_periph *periph; 1351 int error; 1352 1353 periph = xpt_path_periph(ccb->ccb_h.path); 1354 softc = (struct cd_softc *)periph->softc; 1355 1356 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1357 softc->disk->d_devstat); 1358 1359 if (softc->flags & CD_FLAG_CHANGER) 1360 cdchangerschedule(softc); 1361 1362 return(error); 1363 } 1364 1365 static union ccb * 1366 cdgetccb(struct cam_periph *periph, u_int32_t priority) 1367 { 1368 struct cd_softc *softc; 1369 int s; 1370 1371 softc = (struct cd_softc *)periph->softc; 1372 1373 if (softc->flags & CD_FLAG_CHANGER) { 1374 1375 s = splsoftcam(); 1376 1377 /* 1378 * This should work the first time this device is woken up, 1379 * but just in case it doesn't, we use a while loop. 1380 */ 1381 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1382 /* 1383 * If this changer isn't already queued, queue it up. 1384 */ 1385 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1386 softc->pinfo.priority = 1; 1387 softc->pinfo.generation = 1388 ++softc->changer->devq.generation; 1389 camq_insert(&softc->changer->devq, 1390 (cam_pinfo *)softc); 1391 } 1392 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1393 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1394 && ((softc->changer->flags 1395 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1396 softc->changer->flags |= CHANGER_MANUAL_CALL; 1397 cdrunchangerqueue(softc->changer); 1398 } else 1399 tsleep(&softc->changer, PRIBIO, "cgticb", 0); 1400 } 1401 splx(s); 1402 } 1403 return(cam_periph_getccb(periph, priority)); 1404 } 1405 1406 1407 /* 1408 * Actually translate the requested transfer into one the physical driver 1409 * can understand. The transfer is described by a buf and will include 1410 * only one physical transfer. 1411 */ 1412 static void 1413 cdstrategy(struct bio *bp) 1414 { 1415 struct cam_periph *periph; 1416 struct cd_softc *softc; 1417 int s; 1418 1419 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1420 if (periph == NULL) { 1421 biofinish(bp, NULL, ENXIO); 1422 return; 1423 } 1424 1425 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1426 1427 softc = (struct cd_softc *)periph->softc; 1428 1429 /* 1430 * Mask interrupts so that the pack cannot be invalidated until 1431 * after we are in the queue. Otherwise, we might not properly 1432 * clean up one of the buffers. 1433 */ 1434 s = splbio(); 1435 1436 /* 1437 * If the device has been made invalid, error out 1438 */ 1439 if ((softc->flags & CD_FLAG_INVALID)) { 1440 splx(s); 1441 biofinish(bp, NULL, ENXIO); 1442 return; 1443 } 1444 1445 /* 1446 * If we don't have valid media, look for it before trying to 1447 * schedule the I/O. 1448 */ 1449 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1450 int error; 1451 1452 error = cdcheckmedia(periph); 1453 if (error != 0) { 1454 splx(s); 1455 biofinish(bp, NULL, error); 1456 return; 1457 } 1458 } 1459 1460 /* 1461 * Place it in the queue of disk activities for this disk 1462 */ 1463 bioq_disksort(&softc->bio_queue, bp); 1464 1465 splx(s); 1466 1467 /* 1468 * Schedule ourselves for performing the work. We do things 1469 * differently for changers. 1470 */ 1471 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1472 xpt_schedule(periph, /* XXX priority */1); 1473 else 1474 cdschedule(periph, /* priority */ 1); 1475 1476 return; 1477 } 1478 1479 static void 1480 cdstart(struct cam_periph *periph, union ccb *start_ccb) 1481 { 1482 struct cd_softc *softc; 1483 struct bio *bp; 1484 struct ccb_scsiio *csio; 1485 struct scsi_read_capacity_data *rcap; 1486 int s; 1487 1488 softc = (struct cd_softc *)periph->softc; 1489 1490 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1491 1492 switch (softc->state) { 1493 case CD_STATE_NORMAL: 1494 { 1495 int oldspl; 1496 1497 s = splbio(); 1498 bp = bioq_first(&softc->bio_queue); 1499 if (periph->immediate_priority <= periph->pinfo.priority) { 1500 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1501 1502 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1503 periph_links.sle); 1504 periph->immediate_priority = CAM_PRIORITY_NONE; 1505 splx(s); 1506 wakeup(&periph->ccb_list); 1507 } else if (bp == NULL) { 1508 splx(s); 1509 xpt_release_ccb(start_ccb); 1510 } else { 1511 bioq_remove(&softc->bio_queue, bp); 1512 1513 devstat_start_transaction_bio(softc->disk->d_devstat, bp); 1514 1515 scsi_read_write(&start_ccb->csio, 1516 /*retries*/4, 1517 /* cbfcnp */ cddone, 1518 MSG_SIMPLE_Q_TAG, 1519 /* read */bp->bio_cmd == BIO_READ, 1520 /* byte2 */ 0, 1521 /* minimum_cmd_size */ 10, 1522 /* lba */ bp->bio_offset / 1523 softc->params.blksize, 1524 bp->bio_bcount / softc->params.blksize, 1525 /* data_ptr */ bp->bio_data, 1526 /* dxfer_len */ bp->bio_bcount, 1527 /* sense_len */ SSD_FULL_SIZE, 1528 /* timeout */ 30000); 1529 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1530 1531 1532 /* 1533 * Block out any asyncronous callbacks 1534 * while we touch the pending ccb list. 1535 */ 1536 oldspl = splcam(); 1537 LIST_INSERT_HEAD(&softc->pending_ccbs, 1538 &start_ccb->ccb_h, periph_links.le); 1539 softc->outstanding_cmds++; 1540 splx(oldspl); 1541 1542 /* We expect a unit attention from this device */ 1543 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1544 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1545 softc->flags &= ~CD_FLAG_RETRY_UA; 1546 } 1547 1548 start_ccb->ccb_h.ccb_bp = bp; 1549 bp = bioq_first(&softc->bio_queue); 1550 splx(s); 1551 1552 xpt_action(start_ccb); 1553 } 1554 if (bp != NULL) { 1555 /* Have more work to do, so ensure we stay scheduled */ 1556 xpt_schedule(periph, /* XXX priority */1); 1557 } 1558 break; 1559 } 1560 case CD_STATE_PROBE: 1561 { 1562 1563 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1564 M_TEMP, 1565 M_NOWAIT); 1566 if (rcap == NULL) { 1567 xpt_print(periph->path, 1568 "cdstart: Couldn't malloc read_capacity data\n"); 1569 /* cd_free_periph??? */ 1570 break; 1571 } 1572 csio = &start_ccb->csio; 1573 scsi_read_capacity(csio, 1574 /*retries*/1, 1575 cddone, 1576 MSG_SIMPLE_Q_TAG, 1577 rcap, 1578 SSD_FULL_SIZE, 1579 /*timeout*/20000); 1580 start_ccb->ccb_h.ccb_bp = NULL; 1581 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1582 xpt_action(start_ccb); 1583 break; 1584 } 1585 } 1586 } 1587 1588 static void 1589 cddone(struct cam_periph *periph, union ccb *done_ccb) 1590 { 1591 struct cd_softc *softc; 1592 struct ccb_scsiio *csio; 1593 1594 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1595 1596 softc = (struct cd_softc *)periph->softc; 1597 csio = &done_ccb->csio; 1598 1599 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1600 case CD_CCB_BUFFER_IO: 1601 { 1602 struct bio *bp; 1603 int error; 1604 int oldspl; 1605 1606 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1607 error = 0; 1608 1609 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1610 int sf; 1611 1612 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1613 sf = SF_RETRY_UA; 1614 else 1615 sf = 0; 1616 1617 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1618 if (error == ERESTART) { 1619 /* 1620 * A retry was scheuled, so 1621 * just return. 1622 */ 1623 return; 1624 } 1625 } 1626 1627 if (error != 0) { 1628 int s; 1629 1630 xpt_print(periph->path, 1631 "cddone: got error %#x back\n", error); 1632 s = splbio(); 1633 bioq_flush(&softc->bio_queue, NULL, EIO); 1634 splx(s); 1635 bp->bio_resid = bp->bio_bcount; 1636 bp->bio_error = error; 1637 bp->bio_flags |= BIO_ERROR; 1638 cam_release_devq(done_ccb->ccb_h.path, 1639 /*relsim_flags*/0, 1640 /*reduction*/0, 1641 /*timeout*/0, 1642 /*getcount_only*/0); 1643 1644 } else { 1645 bp->bio_resid = csio->resid; 1646 bp->bio_error = 0; 1647 if (bp->bio_resid != 0) { 1648 /* 1649 * Short transfer ??? 1650 * XXX: not sure this is correct for partial 1651 * transfers at EOM 1652 */ 1653 bp->bio_flags |= BIO_ERROR; 1654 } 1655 } 1656 1657 /* 1658 * Block out any asyncronous callbacks 1659 * while we touch the pending ccb list. 1660 */ 1661 oldspl = splcam(); 1662 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1663 softc->outstanding_cmds--; 1664 splx(oldspl); 1665 1666 if (softc->flags & CD_FLAG_CHANGER) 1667 cdchangerschedule(softc); 1668 1669 biofinish(bp, NULL, 0); 1670 break; 1671 } 1672 case CD_CCB_PROBE: 1673 { 1674 struct scsi_read_capacity_data *rdcap; 1675 char announce_buf[120]; /* 1676 * Currently (9/30/97) the 1677 * longest possible announce 1678 * buffer is 108 bytes, for the 1679 * first error case below. 1680 * That is 39 bytes for the 1681 * basic string, 16 bytes for the 1682 * biggest sense key (hardware 1683 * error), 52 bytes for the 1684 * text of the largest sense 1685 * qualifier valid for a CDROM, 1686 * (0x72, 0x03 or 0x04, 1687 * 0x03), and one byte for the 1688 * null terminating character. 1689 * To allow for longer strings, 1690 * the announce buffer is 120 1691 * bytes. 1692 */ 1693 struct cd_params *cdp; 1694 1695 cdp = &softc->params; 1696 1697 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1698 1699 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1700 cdp->blksize = scsi_4btoul (rdcap->length); 1701 1702 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1703 1704 snprintf(announce_buf, sizeof(announce_buf), 1705 "cd present [%lu x %lu byte records]", 1706 cdp->disksize, (u_long)cdp->blksize); 1707 1708 } else { 1709 int error; 1710 /* 1711 * Retry any UNIT ATTENTION type errors. They 1712 * are expected at boot. 1713 */ 1714 error = cderror(done_ccb, CAM_RETRY_SELTO, 1715 SF_RETRY_UA | SF_NO_PRINT); 1716 if (error == ERESTART) { 1717 /* 1718 * A retry was scheuled, so 1719 * just return. 1720 */ 1721 return; 1722 } else if (error != 0) { 1723 1724 struct scsi_sense_data *sense; 1725 int asc, ascq; 1726 int sense_key, error_code; 1727 int have_sense; 1728 cam_status status; 1729 struct ccb_getdev cgd; 1730 1731 /* Don't wedge this device's queue */ 1732 cam_release_devq(done_ccb->ccb_h.path, 1733 /*relsim_flags*/0, 1734 /*reduction*/0, 1735 /*timeout*/0, 1736 /*getcount_only*/0); 1737 1738 status = done_ccb->ccb_h.status; 1739 1740 xpt_setup_ccb(&cgd.ccb_h, 1741 done_ccb->ccb_h.path, 1742 /* priority */ 1); 1743 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1744 xpt_action((union ccb *)&cgd); 1745 1746 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1747 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1748 || ((status & CAM_AUTOSNS_VALID) == 0)) 1749 have_sense = FALSE; 1750 else 1751 have_sense = TRUE; 1752 1753 if (have_sense) { 1754 sense = &csio->sense_data; 1755 scsi_extract_sense(sense, &error_code, 1756 &sense_key, 1757 &asc, &ascq); 1758 } 1759 /* 1760 * Attach to anything that claims to be a 1761 * CDROM or WORM device, as long as it 1762 * doesn't return a "Logical unit not 1763 * supported" (0x25) error. 1764 */ 1765 if ((have_sense) && (asc != 0x25) 1766 && (error_code == SSD_CURRENT_ERROR)) { 1767 const char *sense_key_desc; 1768 const char *asc_desc; 1769 1770 scsi_sense_desc(sense_key, asc, ascq, 1771 &cgd.inq_data, 1772 &sense_key_desc, 1773 &asc_desc); 1774 snprintf(announce_buf, 1775 sizeof(announce_buf), 1776 "Attempt to query device " 1777 "size failed: %s, %s", 1778 sense_key_desc, 1779 asc_desc); 1780 } else if ((have_sense == 0) 1781 && ((status & CAM_STATUS_MASK) == 1782 CAM_SCSI_STATUS_ERROR) 1783 && (csio->scsi_status == 1784 SCSI_STATUS_BUSY)) { 1785 snprintf(announce_buf, 1786 sizeof(announce_buf), 1787 "Attempt to query device " 1788 "size failed: SCSI Status: %s", 1789 scsi_status_string(csio)); 1790 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1791 /* 1792 * We only print out an error for 1793 * CDROM type devices. For WORM 1794 * devices, we don't print out an 1795 * error since a few WORM devices 1796 * don't support CDROM commands. 1797 * If we have sense information, go 1798 * ahead and print it out. 1799 * Otherwise, just say that we 1800 * couldn't attach. 1801 */ 1802 1803 /* 1804 * Just print out the error, not 1805 * the full probe message, when we 1806 * don't attach. 1807 */ 1808 if (have_sense) 1809 scsi_sense_print( 1810 &done_ccb->csio); 1811 else { 1812 xpt_print(periph->path, 1813 "got CAM status %#x\n", 1814 done_ccb->ccb_h.status); 1815 } 1816 xpt_print(periph->path, "fatal error, " 1817 "failed to attach to device\n"); 1818 /* 1819 * Invalidate this peripheral. 1820 */ 1821 cam_periph_invalidate(periph); 1822 1823 announce_buf[0] = '\0'; 1824 } else { 1825 1826 /* 1827 * Invalidate this peripheral. 1828 */ 1829 cam_periph_invalidate(periph); 1830 announce_buf[0] = '\0'; 1831 } 1832 } 1833 } 1834 free(rdcap, M_TEMP); 1835 if (announce_buf[0] != '\0') { 1836 xpt_announce_periph(periph, announce_buf); 1837 if (softc->flags & CD_FLAG_CHANGER) 1838 cdchangerschedule(softc); 1839 /* 1840 * Create our sysctl variables, now that we know 1841 * we have successfully attached. 1842 */ 1843 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 1844 } 1845 softc->state = CD_STATE_NORMAL; 1846 /* 1847 * Since our peripheral may be invalidated by an error 1848 * above or an external event, we must release our CCB 1849 * before releasing the probe lock on the peripheral. 1850 * The peripheral will only go away once the last lock 1851 * is removed, and we need it around for the CCB release 1852 * operation. 1853 */ 1854 xpt_release_ccb(done_ccb); 1855 cam_periph_unlock(periph); 1856 return; 1857 } 1858 case CD_CCB_WAITING: 1859 { 1860 /* Caller will release the CCB */ 1861 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1862 ("trying to wakeup ccbwait\n")); 1863 1864 wakeup(&done_ccb->ccb_h.cbfcnp); 1865 return; 1866 } 1867 default: 1868 break; 1869 } 1870 xpt_release_ccb(done_ccb); 1871 } 1872 1873 static union cd_pages * 1874 cdgetpage(struct cd_mode_params *mode_params) 1875 { 1876 union cd_pages *page; 1877 1878 if (mode_params->cdb_size == 10) 1879 page = (union cd_pages *)find_mode_page_10( 1880 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1881 else 1882 page = (union cd_pages *)find_mode_page_6( 1883 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1884 1885 return (page); 1886 } 1887 1888 static int 1889 cdgetpagesize(int page_num) 1890 { 1891 int i; 1892 1893 for (i = 0; i < (sizeof(cd_page_size_table)/ 1894 sizeof(cd_page_size_table[0])); i++) { 1895 if (cd_page_size_table[i].page == page_num) 1896 return (cd_page_size_table[i].page_size); 1897 } 1898 1899 return (-1); 1900 } 1901 1902 static int 1903 cdioctl(struct disk *dp, u_long cmd, void *addr, int flag, struct thread *td) 1904 { 1905 1906 struct cam_periph *periph; 1907 struct cd_softc *softc; 1908 int error, nocopyout; 1909 1910 periph = (struct cam_periph *)dp->d_drv1; 1911 if (periph == NULL) 1912 return(ENXIO); 1913 1914 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1915 1916 softc = (struct cd_softc *)periph->softc; 1917 1918 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1919 ("trying to do ioctl %#lx\n", cmd)); 1920 1921 error = cam_periph_lock(periph, PRIBIO | PCATCH); 1922 1923 if (error != 0) 1924 return(error); 1925 /* 1926 * If we don't have media loaded, check for it. If still don't 1927 * have media loaded, we can only do a load or eject. 1928 * 1929 * We only care whether media is loaded if this is a cd-specific ioctl 1930 * (thus the IOCGROUP check below). Note that this will break if 1931 * anyone adds any ioctls into the switch statement below that don't 1932 * have their ioctl group set to 'c'. 1933 */ 1934 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1935 && ((cmd != CDIOCCLOSE) 1936 && (cmd != CDIOCEJECT)) 1937 && (IOCGROUP(cmd) == 'c')) { 1938 error = cdcheckmedia(periph); 1939 if (error != 0) { 1940 cam_periph_unlock(periph); 1941 return (error); 1942 } 1943 } 1944 1945 nocopyout = 0; 1946 switch (cmd) { 1947 1948 case CDIOCPLAYTRACKS: 1949 { 1950 struct ioc_play_track *args 1951 = (struct ioc_play_track *) addr; 1952 struct cd_mode_params params; 1953 union cd_pages *page; 1954 1955 params.alloc_len = sizeof(union cd_mode_data_6_10); 1956 params.mode_buf = malloc(params.alloc_len, M_TEMP, 1957 M_WAITOK | M_ZERO); 1958 1959 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1960 ("trying to do CDIOCPLAYTRACKS\n")); 1961 1962 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1963 if (error) { 1964 free(params.mode_buf, M_TEMP); 1965 break; 1966 } 1967 page = cdgetpage(¶ms); 1968 1969 page->audio.flags &= ~CD_PA_SOTC; 1970 page->audio.flags |= CD_PA_IMMED; 1971 error = cdsetmode(periph, ¶ms); 1972 free(params.mode_buf, M_TEMP); 1973 if (error) 1974 break; 1975 1976 /* 1977 * This was originally implemented with the PLAY 1978 * AUDIO TRACK INDEX command, but that command was 1979 * deprecated after SCSI-2. Most (all?) SCSI CDROM 1980 * drives support it but ATAPI and ATAPI-derivative 1981 * drives don't seem to support it. So we keep a 1982 * cache of the table of contents and translate 1983 * track numbers to MSF format. 1984 */ 1985 if (softc->flags & CD_FLAG_VALID_TOC) { 1986 union msf_lba *sentry, *eentry; 1987 int st, et; 1988 1989 if (args->end_track < 1990 softc->toc.header.ending_track + 1) 1991 args->end_track++; 1992 if (args->end_track > 1993 softc->toc.header.ending_track + 1) 1994 args->end_track = 1995 softc->toc.header.ending_track + 1; 1996 st = args->start_track - 1997 softc->toc.header.starting_track; 1998 et = args->end_track - 1999 softc->toc.header.starting_track; 2000 if ((st < 0) 2001 || (et < 0) 2002 || (st > (softc->toc.header.ending_track - 2003 softc->toc.header.starting_track))) { 2004 error = EINVAL; 2005 break; 2006 } 2007 sentry = &softc->toc.entries[st].addr; 2008 eentry = &softc->toc.entries[et].addr; 2009 error = cdplaymsf(periph, 2010 sentry->msf.minute, 2011 sentry->msf.second, 2012 sentry->msf.frame, 2013 eentry->msf.minute, 2014 eentry->msf.second, 2015 eentry->msf.frame); 2016 } else { 2017 /* 2018 * If we don't have a valid TOC, try the 2019 * play track index command. It is part of 2020 * the SCSI-2 spec, but was removed in the 2021 * MMC specs. ATAPI and ATAPI-derived 2022 * drives don't support it. 2023 */ 2024 if (softc->quirks & CD_Q_BCD_TRACKS) { 2025 args->start_track = 2026 bin2bcd(args->start_track); 2027 args->end_track = 2028 bin2bcd(args->end_track); 2029 } 2030 error = cdplaytracks(periph, 2031 args->start_track, 2032 args->start_index, 2033 args->end_track, 2034 args->end_index); 2035 } 2036 } 2037 break; 2038 case CDIOCPLAYMSF: 2039 { 2040 struct ioc_play_msf *args 2041 = (struct ioc_play_msf *) addr; 2042 struct cd_mode_params params; 2043 union cd_pages *page; 2044 2045 params.alloc_len = sizeof(union cd_mode_data_6_10); 2046 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2047 M_WAITOK | M_ZERO); 2048 2049 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2050 ("trying to do CDIOCPLAYMSF\n")); 2051 2052 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2053 if (error) { 2054 free(params.mode_buf, M_TEMP); 2055 break; 2056 } 2057 page = cdgetpage(¶ms); 2058 2059 page->audio.flags &= ~CD_PA_SOTC; 2060 page->audio.flags |= CD_PA_IMMED; 2061 error = cdsetmode(periph, ¶ms); 2062 free(params.mode_buf, M_TEMP); 2063 if (error) 2064 break; 2065 error = cdplaymsf(periph, 2066 args->start_m, 2067 args->start_s, 2068 args->start_f, 2069 args->end_m, 2070 args->end_s, 2071 args->end_f); 2072 } 2073 break; 2074 case CDIOCPLAYBLOCKS: 2075 { 2076 struct ioc_play_blocks *args 2077 = (struct ioc_play_blocks *) addr; 2078 struct cd_mode_params params; 2079 union cd_pages *page; 2080 2081 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2082 ("trying to do CDIOCPLAYBLOCKS\n")); 2083 2084 params.alloc_len = sizeof(union cd_mode_data_6_10); 2085 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2086 M_WAITOK | M_ZERO); 2087 2088 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2089 if (error) { 2090 free(params.mode_buf, M_TEMP); 2091 break; 2092 } 2093 page = cdgetpage(¶ms); 2094 2095 page->audio.flags &= ~CD_PA_SOTC; 2096 page->audio.flags |= CD_PA_IMMED; 2097 error = cdsetmode(periph, ¶ms); 2098 free(params.mode_buf, M_TEMP); 2099 if (error) 2100 break; 2101 error = cdplay(periph, args->blk, args->len); 2102 } 2103 break; 2104 case CDIOCREADSUBCHANNEL_SYSSPACE: 2105 nocopyout = 1; 2106 /* Fallthrough */ 2107 case CDIOCREADSUBCHANNEL: 2108 { 2109 struct ioc_read_subchannel *args 2110 = (struct ioc_read_subchannel *) addr; 2111 struct cd_sub_channel_info *data; 2112 u_int32_t len = args->data_len; 2113 2114 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2115 ("trying to do CDIOCREADSUBCHANNEL\n")); 2116 2117 data = malloc(sizeof(struct cd_sub_channel_info), 2118 M_TEMP, M_WAITOK); 2119 2120 if ((len > sizeof(struct cd_sub_channel_info)) || 2121 (len < sizeof(struct cd_sub_channel_header))) { 2122 printf( 2123 "scsi_cd: cdioctl: " 2124 "cdioreadsubchannel: error, len=%d\n", 2125 len); 2126 error = EINVAL; 2127 free(data, M_TEMP); 2128 break; 2129 } 2130 2131 if (softc->quirks & CD_Q_BCD_TRACKS) 2132 args->track = bin2bcd(args->track); 2133 2134 error = cdreadsubchannel(periph, args->address_format, 2135 args->data_format, args->track, data, len); 2136 2137 if (error) { 2138 free(data, M_TEMP); 2139 break; 2140 } 2141 if (softc->quirks & CD_Q_BCD_TRACKS) 2142 data->what.track_info.track_number = 2143 bcd2bin(data->what.track_info.track_number); 2144 len = min(len, ((data->header.data_len[0] << 8) + 2145 data->header.data_len[1] + 2146 sizeof(struct cd_sub_channel_header))); 2147 if (nocopyout == 0) { 2148 if (copyout(data, args->data, len) != 0) { 2149 error = EFAULT; 2150 } 2151 } else { 2152 bcopy(data, args->data, len); 2153 } 2154 free(data, M_TEMP); 2155 } 2156 break; 2157 2158 case CDIOREADTOCHEADER: 2159 { 2160 struct ioc_toc_header *th; 2161 2162 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2163 ("trying to do CDIOREADTOCHEADER\n")); 2164 2165 th = malloc(sizeof(struct ioc_toc_header), M_TEMP, 2166 M_WAITOK); 2167 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2168 sizeof (*th), /*sense_flags*/0); 2169 if (error) { 2170 free(th, M_TEMP); 2171 break; 2172 } 2173 if (softc->quirks & CD_Q_BCD_TRACKS) { 2174 /* we are going to have to convert the BCD 2175 * encoding on the cd to what is expected 2176 */ 2177 th->starting_track = 2178 bcd2bin(th->starting_track); 2179 th->ending_track = bcd2bin(th->ending_track); 2180 } 2181 th->len = ntohs(th->len); 2182 bcopy(th, addr, sizeof(*th)); 2183 free(th, M_TEMP); 2184 } 2185 break; 2186 case CDIOREADTOCENTRYS: 2187 { 2188 struct cd_tocdata *data; 2189 struct cd_toc_single *lead; 2190 struct ioc_read_toc_entry *te = 2191 (struct ioc_read_toc_entry *) addr; 2192 struct ioc_toc_header *th; 2193 u_int32_t len, readlen, idx, num; 2194 u_int32_t starting_track = te->starting_track; 2195 2196 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2197 ("trying to do CDIOREADTOCENTRYS\n")); 2198 2199 data = malloc(sizeof(*data), M_TEMP, M_WAITOK); 2200 lead = malloc(sizeof(*lead), M_TEMP, M_WAITOK); 2201 2202 if (te->data_len < sizeof(struct cd_toc_entry) 2203 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2204 || (te->address_format != CD_MSF_FORMAT 2205 && te->address_format != CD_LBA_FORMAT)) { 2206 error = EINVAL; 2207 printf("scsi_cd: error in readtocentries, " 2208 "returning EINVAL\n"); 2209 free(data, M_TEMP); 2210 free(lead, M_TEMP); 2211 break; 2212 } 2213 2214 th = &data->header; 2215 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2216 sizeof (*th), /*sense_flags*/0); 2217 if (error) { 2218 free(data, M_TEMP); 2219 free(lead, M_TEMP); 2220 break; 2221 } 2222 2223 if (softc->quirks & CD_Q_BCD_TRACKS) { 2224 /* we are going to have to convert the BCD 2225 * encoding on the cd to what is expected 2226 */ 2227 th->starting_track = 2228 bcd2bin(th->starting_track); 2229 th->ending_track = bcd2bin(th->ending_track); 2230 } 2231 2232 if (starting_track == 0) 2233 starting_track = th->starting_track; 2234 else if (starting_track == LEADOUT) 2235 starting_track = th->ending_track + 1; 2236 else if (starting_track < th->starting_track || 2237 starting_track > th->ending_track + 1) { 2238 printf("scsi_cd: error in readtocentries, " 2239 "returning EINVAL\n"); 2240 free(data, M_TEMP); 2241 free(lead, M_TEMP); 2242 error = EINVAL; 2243 break; 2244 } 2245 2246 /* calculate reading length without leadout entry */ 2247 readlen = (th->ending_track - starting_track + 1) * 2248 sizeof(struct cd_toc_entry); 2249 2250 /* and with leadout entry */ 2251 len = readlen + sizeof(struct cd_toc_entry); 2252 if (te->data_len < len) { 2253 len = te->data_len; 2254 if (readlen > len) 2255 readlen = len; 2256 } 2257 if (len > sizeof(data->entries)) { 2258 printf("scsi_cd: error in readtocentries, " 2259 "returning EINVAL\n"); 2260 error = EINVAL; 2261 free(data, M_TEMP); 2262 free(lead, M_TEMP); 2263 break; 2264 } 2265 num = len / sizeof(struct cd_toc_entry); 2266 2267 if (readlen > 0) { 2268 error = cdreadtoc(periph, te->address_format, 2269 starting_track, 2270 (u_int8_t *)data, 2271 readlen + sizeof (*th), 2272 /*sense_flags*/0); 2273 if (error) { 2274 free(data, M_TEMP); 2275 free(lead, M_TEMP); 2276 break; 2277 } 2278 } 2279 2280 /* make leadout entry if needed */ 2281 idx = starting_track + num - 1; 2282 if (softc->quirks & CD_Q_BCD_TRACKS) 2283 th->ending_track = bcd2bin(th->ending_track); 2284 if (idx == th->ending_track + 1) { 2285 error = cdreadtoc(periph, te->address_format, 2286 LEADOUT, (u_int8_t *)lead, 2287 sizeof(*lead), 2288 /*sense_flags*/0); 2289 if (error) { 2290 free(data, M_TEMP); 2291 free(lead, M_TEMP); 2292 break; 2293 } 2294 data->entries[idx - starting_track] = 2295 lead->entry; 2296 } 2297 if (softc->quirks & CD_Q_BCD_TRACKS) { 2298 for (idx = 0; idx < num - 1; idx++) { 2299 data->entries[idx].track = 2300 bcd2bin(data->entries[idx].track); 2301 } 2302 } 2303 2304 error = copyout(data->entries, te->data, len); 2305 free(data, M_TEMP); 2306 free(lead, M_TEMP); 2307 } 2308 break; 2309 case CDIOREADTOCENTRY: 2310 { 2311 struct cd_toc_single *data; 2312 struct ioc_read_toc_single_entry *te = 2313 (struct ioc_read_toc_single_entry *) addr; 2314 struct ioc_toc_header *th; 2315 u_int32_t track; 2316 2317 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2318 ("trying to do CDIOREADTOCENTRY\n")); 2319 2320 data = malloc(sizeof(*data), M_TEMP, M_WAITOK); 2321 2322 if (te->address_format != CD_MSF_FORMAT 2323 && te->address_format != CD_LBA_FORMAT) { 2324 printf("error in readtocentry, " 2325 " returning EINVAL\n"); 2326 free(data, M_TEMP); 2327 error = EINVAL; 2328 break; 2329 } 2330 2331 th = &data->header; 2332 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2333 sizeof (*th), /*sense_flags*/0); 2334 if (error) { 2335 free(data, M_TEMP); 2336 break; 2337 } 2338 2339 if (softc->quirks & CD_Q_BCD_TRACKS) { 2340 /* we are going to have to convert the BCD 2341 * encoding on the cd to what is expected 2342 */ 2343 th->starting_track = 2344 bcd2bin(th->starting_track); 2345 th->ending_track = bcd2bin(th->ending_track); 2346 } 2347 track = te->track; 2348 if (track == 0) 2349 track = th->starting_track; 2350 else if (track == LEADOUT) 2351 /* OK */; 2352 else if (track < th->starting_track || 2353 track > th->ending_track + 1) { 2354 printf("error in readtocentry, " 2355 " returning EINVAL\n"); 2356 free(data, M_TEMP); 2357 error = EINVAL; 2358 break; 2359 } 2360 2361 error = cdreadtoc(periph, te->address_format, track, 2362 (u_int8_t *)data, sizeof(*data), 2363 /*sense_flags*/0); 2364 if (error) { 2365 free(data, M_TEMP); 2366 break; 2367 } 2368 2369 if (softc->quirks & CD_Q_BCD_TRACKS) 2370 data->entry.track = bcd2bin(data->entry.track); 2371 bcopy(&data->entry, &te->entry, 2372 sizeof(struct cd_toc_entry)); 2373 free(data, M_TEMP); 2374 } 2375 break; 2376 case CDIOCSETPATCH: 2377 { 2378 struct ioc_patch *arg = (struct ioc_patch *)addr; 2379 struct cd_mode_params params; 2380 union cd_pages *page; 2381 2382 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2383 ("trying to do CDIOCSETPATCH\n")); 2384 2385 params.alloc_len = sizeof(union cd_mode_data_6_10); 2386 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2387 M_WAITOK | M_ZERO); 2388 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2389 if (error) { 2390 free(params.mode_buf, M_TEMP); 2391 break; 2392 } 2393 page = cdgetpage(¶ms); 2394 2395 page->audio.port[LEFT_PORT].channels = 2396 arg->patch[0]; 2397 page->audio.port[RIGHT_PORT].channels = 2398 arg->patch[1]; 2399 page->audio.port[2].channels = arg->patch[2]; 2400 page->audio.port[3].channels = arg->patch[3]; 2401 error = cdsetmode(periph, ¶ms); 2402 free(params.mode_buf, M_TEMP); 2403 } 2404 break; 2405 case CDIOCGETVOL: 2406 { 2407 struct ioc_vol *arg = (struct ioc_vol *) addr; 2408 struct cd_mode_params params; 2409 union cd_pages *page; 2410 2411 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2412 ("trying to do CDIOCGETVOL\n")); 2413 2414 params.alloc_len = sizeof(union cd_mode_data_6_10); 2415 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2416 M_WAITOK | M_ZERO); 2417 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2418 if (error) { 2419 free(params.mode_buf, M_TEMP); 2420 break; 2421 } 2422 page = cdgetpage(¶ms); 2423 2424 arg->vol[LEFT_PORT] = 2425 page->audio.port[LEFT_PORT].volume; 2426 arg->vol[RIGHT_PORT] = 2427 page->audio.port[RIGHT_PORT].volume; 2428 arg->vol[2] = page->audio.port[2].volume; 2429 arg->vol[3] = page->audio.port[3].volume; 2430 free(params.mode_buf, M_TEMP); 2431 } 2432 break; 2433 case CDIOCSETVOL: 2434 { 2435 struct ioc_vol *arg = (struct ioc_vol *) addr; 2436 struct cd_mode_params params; 2437 union cd_pages *page; 2438 2439 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2440 ("trying to do CDIOCSETVOL\n")); 2441 2442 params.alloc_len = sizeof(union cd_mode_data_6_10); 2443 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2444 M_WAITOK | M_ZERO); 2445 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2446 if (error) { 2447 free(params.mode_buf, M_TEMP); 2448 break; 2449 } 2450 page = cdgetpage(¶ms); 2451 2452 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2453 page->audio.port[LEFT_PORT].volume = 2454 arg->vol[LEFT_PORT]; 2455 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2456 page->audio.port[RIGHT_PORT].volume = 2457 arg->vol[RIGHT_PORT]; 2458 page->audio.port[2].volume = arg->vol[2]; 2459 page->audio.port[3].volume = arg->vol[3]; 2460 error = cdsetmode(periph, ¶ms); 2461 free(params.mode_buf, M_TEMP); 2462 } 2463 break; 2464 case CDIOCSETMONO: 2465 { 2466 struct cd_mode_params params; 2467 union cd_pages *page; 2468 2469 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2470 ("trying to do CDIOCSETMONO\n")); 2471 2472 params.alloc_len = sizeof(union cd_mode_data_6_10); 2473 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2474 M_WAITOK | M_ZERO); 2475 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2476 if (error) { 2477 free(params.mode_buf, M_TEMP); 2478 break; 2479 } 2480 page = cdgetpage(¶ms); 2481 2482 page->audio.port[LEFT_PORT].channels = 2483 LEFT_CHANNEL | RIGHT_CHANNEL; 2484 page->audio.port[RIGHT_PORT].channels = 2485 LEFT_CHANNEL | RIGHT_CHANNEL; 2486 page->audio.port[2].channels = 0; 2487 page->audio.port[3].channels = 0; 2488 error = cdsetmode(periph, ¶ms); 2489 free(params.mode_buf, M_TEMP); 2490 } 2491 break; 2492 case CDIOCSETSTEREO: 2493 { 2494 struct cd_mode_params params; 2495 union cd_pages *page; 2496 2497 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2498 ("trying to do CDIOCSETSTEREO\n")); 2499 2500 params.alloc_len = sizeof(union cd_mode_data_6_10); 2501 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2502 M_WAITOK | M_ZERO); 2503 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2504 if (error) { 2505 free(params.mode_buf, M_TEMP); 2506 break; 2507 } 2508 page = cdgetpage(¶ms); 2509 2510 page->audio.port[LEFT_PORT].channels = 2511 LEFT_CHANNEL; 2512 page->audio.port[RIGHT_PORT].channels = 2513 RIGHT_CHANNEL; 2514 page->audio.port[2].channels = 0; 2515 page->audio.port[3].channels = 0; 2516 error = cdsetmode(periph, ¶ms); 2517 free(params.mode_buf, M_TEMP); 2518 } 2519 break; 2520 case CDIOCSETMUTE: 2521 { 2522 struct cd_mode_params params; 2523 union cd_pages *page; 2524 2525 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2526 ("trying to do CDIOCSETMUTE\n")); 2527 2528 params.alloc_len = sizeof(union cd_mode_data_6_10); 2529 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2530 M_WAITOK | M_ZERO); 2531 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2532 if (error) { 2533 free(¶ms, M_TEMP); 2534 break; 2535 } 2536 page = cdgetpage(¶ms); 2537 2538 page->audio.port[LEFT_PORT].channels = 0; 2539 page->audio.port[RIGHT_PORT].channels = 0; 2540 page->audio.port[2].channels = 0; 2541 page->audio.port[3].channels = 0; 2542 error = cdsetmode(periph, ¶ms); 2543 free(params.mode_buf, M_TEMP); 2544 } 2545 break; 2546 case CDIOCSETLEFT: 2547 { 2548 struct cd_mode_params params; 2549 union cd_pages *page; 2550 2551 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2552 ("trying to do CDIOCSETLEFT\n")); 2553 2554 params.alloc_len = sizeof(union cd_mode_data_6_10); 2555 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2556 M_WAITOK | M_ZERO); 2557 2558 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2559 if (error) { 2560 free(params.mode_buf, M_TEMP); 2561 break; 2562 } 2563 page = cdgetpage(¶ms); 2564 2565 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2566 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2567 page->audio.port[2].channels = 0; 2568 page->audio.port[3].channels = 0; 2569 error = cdsetmode(periph, ¶ms); 2570 free(params.mode_buf, M_TEMP); 2571 } 2572 break; 2573 case CDIOCSETRIGHT: 2574 { 2575 struct cd_mode_params params; 2576 union cd_pages *page; 2577 2578 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2579 ("trying to do CDIOCSETRIGHT\n")); 2580 2581 params.alloc_len = sizeof(union cd_mode_data_6_10); 2582 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2583 M_WAITOK | M_ZERO); 2584 2585 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2586 if (error) { 2587 free(params.mode_buf, M_TEMP); 2588 break; 2589 } 2590 page = cdgetpage(¶ms); 2591 2592 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2593 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2594 page->audio.port[2].channels = 0; 2595 page->audio.port[3].channels = 0; 2596 error = cdsetmode(periph, ¶ms); 2597 free(params.mode_buf, M_TEMP); 2598 } 2599 break; 2600 case CDIOCRESUME: 2601 error = cdpause(periph, 1); 2602 break; 2603 case CDIOCPAUSE: 2604 error = cdpause(periph, 0); 2605 break; 2606 case CDIOCSTART: 2607 error = cdstartunit(periph, 0); 2608 break; 2609 case CDIOCCLOSE: 2610 error = cdstartunit(periph, 1); 2611 break; 2612 case CDIOCSTOP: 2613 error = cdstopunit(periph, 0); 2614 break; 2615 case CDIOCEJECT: 2616 error = cdstopunit(periph, 1); 2617 break; 2618 case CDIOCALLOW: 2619 cdprevent(periph, PR_ALLOW); 2620 break; 2621 case CDIOCPREVENT: 2622 cdprevent(periph, PR_PREVENT); 2623 break; 2624 case CDIOCSETDEBUG: 2625 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2626 error = ENOTTY; 2627 break; 2628 case CDIOCCLRDEBUG: 2629 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2630 error = ENOTTY; 2631 break; 2632 case CDIOCRESET: 2633 /* return (cd_reset(periph)); */ 2634 error = ENOTTY; 2635 break; 2636 case CDRIOCREADSPEED: 2637 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2638 break; 2639 case CDRIOCWRITESPEED: 2640 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2641 break; 2642 case DVDIOCSENDKEY: 2643 case DVDIOCREPORTKEY: { 2644 struct dvd_authinfo *authinfo; 2645 2646 authinfo = (struct dvd_authinfo *)addr; 2647 2648 if (cmd == DVDIOCREPORTKEY) 2649 error = cdreportkey(periph, authinfo); 2650 else 2651 error = cdsendkey(periph, authinfo); 2652 break; 2653 } 2654 case DVDIOCREADSTRUCTURE: { 2655 struct dvd_struct *dvdstruct; 2656 2657 dvdstruct = (struct dvd_struct *)addr; 2658 2659 error = cdreaddvdstructure(periph, dvdstruct); 2660 2661 break; 2662 } 2663 default: 2664 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2665 break; 2666 } 2667 2668 cam_periph_unlock(periph); 2669 2670 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2671 if (error && bootverbose) { 2672 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error); 2673 } 2674 2675 return (error); 2676 } 2677 2678 static void 2679 cdprevent(struct cam_periph *periph, int action) 2680 { 2681 union ccb *ccb; 2682 struct cd_softc *softc; 2683 int error; 2684 2685 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2686 2687 softc = (struct cd_softc *)periph->softc; 2688 2689 if (((action == PR_ALLOW) 2690 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2691 || ((action == PR_PREVENT) 2692 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2693 return; 2694 } 2695 2696 ccb = cdgetccb(periph, /* priority */ 1); 2697 2698 scsi_prevent(&ccb->csio, 2699 /*retries*/ 1, 2700 cddone, 2701 MSG_SIMPLE_Q_TAG, 2702 action, 2703 SSD_FULL_SIZE, 2704 /* timeout */60000); 2705 2706 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2707 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2708 2709 xpt_release_ccb(ccb); 2710 2711 if (error == 0) { 2712 if (action == PR_ALLOW) 2713 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2714 else 2715 softc->flags |= CD_FLAG_DISC_LOCKED; 2716 } 2717 } 2718 2719 /* 2720 * XXX: the disk media and sector size is only really able to change 2721 * XXX: while the device is closed. 2722 */ 2723 static int 2724 cdcheckmedia(struct cam_periph *periph) 2725 { 2726 struct cd_softc *softc; 2727 struct ioc_toc_header *toch; 2728 struct cd_toc_single leadout; 2729 u_int32_t size, toclen; 2730 int error, num_entries, cdindex; 2731 2732 softc = (struct cd_softc *)periph->softc; 2733 2734 cdprevent(periph, PR_PREVENT); 2735 softc->disk->d_maxsize = DFLTPHYS; 2736 softc->disk->d_sectorsize = 2048; 2737 softc->disk->d_mediasize = 0; 2738 2739 /* 2740 * Get the disc size and block size. If we can't get it, we don't 2741 * have media, most likely. 2742 */ 2743 if ((error = cdsize(periph, &size)) != 0) { 2744 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2745 cdprevent(periph, PR_ALLOW); 2746 return (error); 2747 } else 2748 softc->flags |= CD_FLAG_VALID_MEDIA; 2749 2750 /* 2751 * Now we check the table of contents. This (currently) is only 2752 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2753 * things like present a separate entry in /dev for each track, 2754 * like that acd(4) driver does. 2755 */ 2756 bzero(&softc->toc, sizeof(softc->toc)); 2757 toch = &softc->toc.header; 2758 /* 2759 * We will get errors here for media that doesn't have a table of 2760 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2761 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2762 * has not been recorded (no complete session) and the Format codes 2763 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2764 * with an INVALID FIELD IN CDB. Devices that are not capable of 2765 * reading an incomplete session on DDC/CD-R/RW media shall report 2766 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2767 * 2768 * So this isn't fatal if we can't read the table of contents, it 2769 * just means that the user won't be able to issue the play tracks 2770 * ioctl, and likely lots of other stuff won't work either. They 2771 * need to burn the CD before we can do a whole lot with it. So 2772 * we don't print anything here if we get an error back. 2773 */ 2774 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2775 SF_NO_PRINT); 2776 /* 2777 * Errors in reading the table of contents aren't fatal, we just 2778 * won't have a valid table of contents cached. 2779 */ 2780 if (error != 0) { 2781 error = 0; 2782 bzero(&softc->toc, sizeof(softc->toc)); 2783 goto bailout; 2784 } 2785 2786 if (softc->quirks & CD_Q_BCD_TRACKS) { 2787 toch->starting_track = bcd2bin(toch->starting_track); 2788 toch->ending_track = bcd2bin(toch->ending_track); 2789 } 2790 2791 /* Number of TOC entries, plus leadout */ 2792 num_entries = (toch->ending_track - toch->starting_track) + 2; 2793 2794 if (num_entries <= 0) 2795 goto bailout; 2796 2797 toclen = num_entries * sizeof(struct cd_toc_entry); 2798 2799 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2800 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2801 SF_NO_PRINT); 2802 if (error != 0) { 2803 error = 0; 2804 bzero(&softc->toc, sizeof(softc->toc)); 2805 goto bailout; 2806 } 2807 2808 if (softc->quirks & CD_Q_BCD_TRACKS) { 2809 toch->starting_track = bcd2bin(toch->starting_track); 2810 toch->ending_track = bcd2bin(toch->ending_track); 2811 } 2812 /* 2813 * XXX KDM is this necessary? Probably only if the drive doesn't 2814 * return leadout information with the table of contents. 2815 */ 2816 cdindex = toch->starting_track + num_entries -1; 2817 if (cdindex == toch->ending_track + 1) { 2818 2819 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2820 (u_int8_t *)&leadout, sizeof(leadout), 2821 SF_NO_PRINT); 2822 if (error != 0) { 2823 error = 0; 2824 goto bailout; 2825 } 2826 softc->toc.entries[cdindex - toch->starting_track] = 2827 leadout.entry; 2828 } 2829 if (softc->quirks & CD_Q_BCD_TRACKS) { 2830 for (cdindex = 0; cdindex < num_entries - 1; cdindex++) { 2831 softc->toc.entries[cdindex].track = 2832 bcd2bin(softc->toc.entries[cdindex].track); 2833 } 2834 } 2835 2836 softc->flags |= CD_FLAG_VALID_TOC; 2837 softc->disk->d_maxsize = DFLTPHYS; 2838 softc->disk->d_sectorsize = softc->params.blksize; 2839 softc->disk->d_mediasize = 2840 (off_t)softc->params.blksize * softc->params.disksize; 2841 2842 bailout: 2843 2844 /* 2845 * We unconditionally (re)set the blocksize each time the 2846 * CD device is opened. This is because the CD can change, 2847 * and therefore the blocksize might change. 2848 * XXX problems here if some slice or partition is still 2849 * open with the old size? 2850 */ 2851 if ((softc->disk->d_devstat->flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2852 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 2853 softc->disk->d_devstat->block_size = softc->params.blksize; 2854 2855 return (error); 2856 } 2857 2858 static int 2859 cdsize(struct cam_periph *periph, u_int32_t *size) 2860 { 2861 struct cd_softc *softc; 2862 union ccb *ccb; 2863 struct scsi_read_capacity_data *rcap_buf; 2864 int error; 2865 2866 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2867 2868 softc = (struct cd_softc *)periph->softc; 2869 2870 ccb = cdgetccb(periph, /* priority */ 1); 2871 2872 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2873 M_TEMP, M_WAITOK); 2874 2875 scsi_read_capacity(&ccb->csio, 2876 /*retries*/ 1, 2877 cddone, 2878 MSG_SIMPLE_Q_TAG, 2879 rcap_buf, 2880 SSD_FULL_SIZE, 2881 /* timeout */20000); 2882 2883 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2884 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2885 2886 xpt_release_ccb(ccb); 2887 2888 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2889 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2890 /* 2891 * SCSI-3 mandates that the reported blocksize shall be 2048. 2892 * Older drives sometimes report funny values, trim it down to 2893 * 2048, or other parts of the kernel will get confused. 2894 * 2895 * XXX we leave drives alone that might report 512 bytes, as 2896 * well as drives reporting more weird sizes like perhaps 4K. 2897 */ 2898 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2899 softc->params.blksize = 2048; 2900 2901 free(rcap_buf, M_TEMP); 2902 *size = softc->params.disksize; 2903 2904 return (error); 2905 2906 } 2907 2908 static int 2909 cd6byteworkaround(union ccb *ccb) 2910 { 2911 u_int8_t *cdb; 2912 struct cam_periph *periph; 2913 struct cd_softc *softc; 2914 struct cd_mode_params *params; 2915 int frozen, found; 2916 2917 periph = xpt_path_periph(ccb->ccb_h.path); 2918 softc = (struct cd_softc *)periph->softc; 2919 2920 cdb = ccb->csio.cdb_io.cdb_bytes; 2921 2922 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 2923 || ((cdb[0] != MODE_SENSE_6) 2924 && (cdb[0] != MODE_SELECT_6))) 2925 return (0); 2926 2927 /* 2928 * Because there is no convenient place to stash the overall 2929 * cd_mode_params structure pointer, we have to grab it like this. 2930 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 2931 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 2932 * 2933 * XXX It would be nice if, at some point, we could increase the 2934 * number of available peripheral private pointers. Both pointers 2935 * are currently used in most every peripheral driver. 2936 */ 2937 found = 0; 2938 2939 STAILQ_FOREACH(params, &softc->mode_queue, links) { 2940 if (params->mode_buf == ccb->csio.data_ptr) { 2941 found = 1; 2942 break; 2943 } 2944 } 2945 2946 /* 2947 * This shouldn't happen. All mode sense and mode select 2948 * operations in the cd(4) driver MUST go through cdgetmode() and 2949 * cdsetmode()! 2950 */ 2951 if (found == 0) { 2952 xpt_print(periph->path, 2953 "mode buffer not found in mode queue!\n"); 2954 return (0); 2955 } 2956 2957 params->cdb_size = 10; 2958 softc->minimum_command_size = 10; 2959 xpt_print(ccb->ccb_h.path, 2960 "%s(6) failed, increasing minimum CDB size to 10 bytes\n", 2961 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 2962 2963 if (cdb[0] == MODE_SENSE_6) { 2964 struct scsi_mode_sense_10 ms10; 2965 struct scsi_mode_sense_6 *ms6; 2966 int len; 2967 2968 ms6 = (struct scsi_mode_sense_6 *)cdb; 2969 2970 bzero(&ms10, sizeof(ms10)); 2971 ms10.opcode = MODE_SENSE_10; 2972 ms10.byte2 = ms6->byte2; 2973 ms10.page = ms6->page; 2974 2975 /* 2976 * 10 byte mode header, block descriptor, 2977 * sizeof(union cd_pages) 2978 */ 2979 len = sizeof(struct cd_mode_data_10); 2980 ccb->csio.dxfer_len = len; 2981 2982 scsi_ulto2b(len, ms10.length); 2983 ms10.control = ms6->control; 2984 bcopy(&ms10, cdb, 10); 2985 ccb->csio.cdb_len = 10; 2986 } else { 2987 struct scsi_mode_select_10 ms10; 2988 struct scsi_mode_select_6 *ms6; 2989 struct scsi_mode_header_6 *header6; 2990 struct scsi_mode_header_10 *header10; 2991 struct scsi_mode_page_header *page_header; 2992 int blk_desc_len, page_num, page_size, len; 2993 2994 ms6 = (struct scsi_mode_select_6 *)cdb; 2995 2996 bzero(&ms10, sizeof(ms10)); 2997 ms10.opcode = MODE_SELECT_10; 2998 ms10.byte2 = ms6->byte2; 2999 3000 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 3001 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 3002 3003 page_header = find_mode_page_6(header6); 3004 page_num = page_header->page_code; 3005 3006 blk_desc_len = header6->blk_desc_len; 3007 3008 page_size = cdgetpagesize(page_num); 3009 3010 if (page_size != (page_header->page_length + 3011 sizeof(*page_header))) 3012 page_size = page_header->page_length + 3013 sizeof(*page_header); 3014 3015 len = sizeof(*header10) + blk_desc_len + page_size; 3016 3017 len = min(params->alloc_len, len); 3018 3019 /* 3020 * Since the 6 byte parameter header is shorter than the 10 3021 * byte parameter header, we need to copy the actual mode 3022 * page data, and the block descriptor, if any, so things wind 3023 * up in the right place. The regions will overlap, but 3024 * bcopy() does the right thing. 3025 */ 3026 bcopy(params->mode_buf + sizeof(*header6), 3027 params->mode_buf + sizeof(*header10), 3028 len - sizeof(*header10)); 3029 3030 /* Make sure these fields are set correctly. */ 3031 scsi_ulto2b(0, header10->data_length); 3032 header10->medium_type = 0; 3033 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3034 3035 ccb->csio.dxfer_len = len; 3036 3037 scsi_ulto2b(len, ms10.length); 3038 ms10.control = ms6->control; 3039 bcopy(&ms10, cdb, 10); 3040 ccb->csio.cdb_len = 10; 3041 } 3042 3043 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3044 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3045 xpt_action(ccb); 3046 if (frozen) { 3047 cam_release_devq(ccb->ccb_h.path, 3048 /*relsim_flags*/0, 3049 /*openings*/0, 3050 /*timeout*/0, 3051 /*getcount_only*/0); 3052 } 3053 3054 return (ERESTART); 3055 } 3056 3057 static int 3058 cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3059 { 3060 struct cd_softc *softc; 3061 struct cam_periph *periph; 3062 int error; 3063 3064 periph = xpt_path_periph(ccb->ccb_h.path); 3065 softc = (struct cd_softc *)periph->softc; 3066 3067 error = 0; 3068 3069 /* 3070 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3071 * CDB comes back with this particular error, try transforming it 3072 * into the 10 byte version. 3073 */ 3074 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3075 error = cd6byteworkaround(ccb); 3076 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3077 CAM_SCSI_STATUS_ERROR) 3078 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3079 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3080 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3081 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3082 int sense_key, error_code, asc, ascq; 3083 3084 scsi_extract_sense(&ccb->csio.sense_data, 3085 &error_code, &sense_key, &asc, &ascq); 3086 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3087 error = cd6byteworkaround(ccb); 3088 } 3089 3090 if (error == ERESTART) 3091 return (error); 3092 3093 /* 3094 * XXX 3095 * Until we have a better way of doing pack validation, 3096 * don't treat UAs as errors. 3097 */ 3098 sense_flags |= SF_RETRY_UA; 3099 return (cam_periph_error(ccb, cam_flags, sense_flags, 3100 &softc->saved_ccb)); 3101 } 3102 3103 /* 3104 * Read table of contents 3105 */ 3106 static int 3107 cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 3108 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 3109 { 3110 struct scsi_read_toc *scsi_cmd; 3111 u_int32_t ntoc; 3112 struct ccb_scsiio *csio; 3113 union ccb *ccb; 3114 int error; 3115 3116 ntoc = len; 3117 error = 0; 3118 3119 ccb = cdgetccb(periph, /* priority */ 1); 3120 3121 csio = &ccb->csio; 3122 3123 cam_fill_csio(csio, 3124 /* retries */ 1, 3125 /* cbfcnp */ cddone, 3126 /* flags */ CAM_DIR_IN, 3127 /* tag_action */ MSG_SIMPLE_Q_TAG, 3128 /* data_ptr */ data, 3129 /* dxfer_len */ len, 3130 /* sense_len */ SSD_FULL_SIZE, 3131 sizeof(struct scsi_read_toc), 3132 /* timeout */ 50000); 3133 3134 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 3135 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3136 3137 if (mode == CD_MSF_FORMAT) 3138 scsi_cmd->byte2 |= CD_MSF; 3139 scsi_cmd->from_track = start; 3140 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 3141 scsi_cmd->data_len[0] = (ntoc) >> 8; 3142 scsi_cmd->data_len[1] = (ntoc) & 0xff; 3143 3144 scsi_cmd->op_code = READ_TOC; 3145 3146 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3147 /*sense_flags*/SF_RETRY_UA | sense_flags); 3148 3149 xpt_release_ccb(ccb); 3150 3151 return(error); 3152 } 3153 3154 static int 3155 cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 3156 u_int32_t format, int track, 3157 struct cd_sub_channel_info *data, u_int32_t len) 3158 { 3159 struct scsi_read_subchannel *scsi_cmd; 3160 struct ccb_scsiio *csio; 3161 union ccb *ccb; 3162 int error; 3163 3164 error = 0; 3165 3166 ccb = cdgetccb(periph, /* priority */ 1); 3167 3168 csio = &ccb->csio; 3169 3170 cam_fill_csio(csio, 3171 /* retries */ 1, 3172 /* cbfcnp */ cddone, 3173 /* flags */ CAM_DIR_IN, 3174 /* tag_action */ MSG_SIMPLE_Q_TAG, 3175 /* data_ptr */ (u_int8_t *)data, 3176 /* dxfer_len */ len, 3177 /* sense_len */ SSD_FULL_SIZE, 3178 sizeof(struct scsi_read_subchannel), 3179 /* timeout */ 50000); 3180 3181 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 3182 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3183 3184 scsi_cmd->op_code = READ_SUBCHANNEL; 3185 if (mode == CD_MSF_FORMAT) 3186 scsi_cmd->byte1 |= CD_MSF; 3187 scsi_cmd->byte2 = SRS_SUBQ; 3188 scsi_cmd->subchan_format = format; 3189 scsi_cmd->track = track; 3190 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 3191 scsi_cmd->control = 0; 3192 3193 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3194 /*sense_flags*/SF_RETRY_UA); 3195 3196 xpt_release_ccb(ccb); 3197 3198 return(error); 3199 } 3200 3201 3202 /* 3203 * All MODE_SENSE requests in the cd(4) driver MUST go through this 3204 * routine. See comments in cd6byteworkaround() for details. 3205 */ 3206 static int 3207 cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 3208 u_int32_t page) 3209 { 3210 struct ccb_scsiio *csio; 3211 struct cd_softc *softc; 3212 union ccb *ccb; 3213 int param_len; 3214 int error; 3215 3216 softc = (struct cd_softc *)periph->softc; 3217 3218 ccb = cdgetccb(periph, /* priority */ 1); 3219 3220 csio = &ccb->csio; 3221 3222 data->cdb_size = softc->minimum_command_size; 3223 if (data->cdb_size < 10) 3224 param_len = sizeof(struct cd_mode_data); 3225 else 3226 param_len = sizeof(struct cd_mode_data_10); 3227 3228 /* Don't say we've got more room than we actually allocated */ 3229 param_len = min(param_len, data->alloc_len); 3230 3231 scsi_mode_sense_len(csio, 3232 /* retries */ 1, 3233 /* cbfcnp */ cddone, 3234 /* tag_action */ MSG_SIMPLE_Q_TAG, 3235 /* dbd */ 0, 3236 /* page_code */ SMS_PAGE_CTRL_CURRENT, 3237 /* page */ page, 3238 /* param_buf */ data->mode_buf, 3239 /* param_len */ param_len, 3240 /* minimum_cmd_size */ softc->minimum_command_size, 3241 /* sense_len */ SSD_FULL_SIZE, 3242 /* timeout */ 50000); 3243 3244 /* 3245 * It would be nice not to have to do this, but there's no 3246 * available pointer in the CCB that would allow us to stuff the 3247 * mode params structure in there and retrieve it in 3248 * cd6byteworkaround(), so we can set the cdb size. The cdb size 3249 * lets the caller know what CDB size we ended up using, so they 3250 * can find the actual mode page offset. 3251 */ 3252 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3253 3254 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3255 /*sense_flags*/SF_RETRY_UA); 3256 3257 xpt_release_ccb(ccb); 3258 3259 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3260 3261 /* 3262 * This is a bit of belt-and-suspenders checking, but if we run 3263 * into a situation where the target sends back multiple block 3264 * descriptors, we might not have enough space in the buffer to 3265 * see the whole mode page. Better to return an error than 3266 * potentially access memory beyond our malloced region. 3267 */ 3268 if (error == 0) { 3269 u_int32_t data_len; 3270 3271 if (data->cdb_size == 10) { 3272 struct scsi_mode_header_10 *hdr10; 3273 3274 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 3275 data_len = scsi_2btoul(hdr10->data_length); 3276 data_len += sizeof(hdr10->data_length); 3277 } else { 3278 struct scsi_mode_header_6 *hdr6; 3279 3280 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 3281 data_len = hdr6->data_length; 3282 data_len += sizeof(hdr6->data_length); 3283 } 3284 3285 /* 3286 * Complain if there is more mode data available than we 3287 * allocated space for. This could potentially happen if 3288 * we miscalculated the page length for some reason, if the 3289 * drive returns multiple block descriptors, or if it sets 3290 * the data length incorrectly. 3291 */ 3292 if (data_len > data->alloc_len) { 3293 xpt_print(periph->path, "allocated modepage %d length " 3294 "%d < returned length %d\n", page, data->alloc_len, 3295 data_len); 3296 error = ENOSPC; 3297 } 3298 } 3299 return (error); 3300 } 3301 3302 /* 3303 * All MODE_SELECT requests in the cd(4) driver MUST go through this 3304 * routine. See comments in cd6byteworkaround() for details. 3305 */ 3306 static int 3307 cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 3308 { 3309 struct ccb_scsiio *csio; 3310 struct cd_softc *softc; 3311 union ccb *ccb; 3312 int cdb_size, param_len; 3313 int error; 3314 3315 softc = (struct cd_softc *)periph->softc; 3316 3317 ccb = cdgetccb(periph, /* priority */ 1); 3318 3319 csio = &ccb->csio; 3320 3321 error = 0; 3322 3323 /* 3324 * If the data is formatted for the 10 byte version of the mode 3325 * select parameter list, we need to use the 10 byte CDB. 3326 * Otherwise, we use whatever the stored minimum command size. 3327 */ 3328 if (data->cdb_size == 10) 3329 cdb_size = data->cdb_size; 3330 else 3331 cdb_size = softc->minimum_command_size; 3332 3333 if (cdb_size >= 10) { 3334 struct scsi_mode_header_10 *mode_header; 3335 u_int32_t data_len; 3336 3337 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 3338 3339 data_len = scsi_2btoul(mode_header->data_length); 3340 3341 scsi_ulto2b(0, mode_header->data_length); 3342 /* 3343 * SONY drives do not allow a mode select with a medium_type 3344 * value that has just been returned by a mode sense; use a 3345 * medium_type of 0 (Default) instead. 3346 */ 3347 mode_header->medium_type = 0; 3348 3349 /* 3350 * Pass back whatever the drive passed to us, plus the size 3351 * of the data length field. 3352 */ 3353 param_len = data_len + sizeof(mode_header->data_length); 3354 3355 } else { 3356 struct scsi_mode_header_6 *mode_header; 3357 3358 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 3359 3360 param_len = mode_header->data_length + 1; 3361 3362 mode_header->data_length = 0; 3363 /* 3364 * SONY drives do not allow a mode select with a medium_type 3365 * value that has just been returned by a mode sense; use a 3366 * medium_type of 0 (Default) instead. 3367 */ 3368 mode_header->medium_type = 0; 3369 } 3370 3371 /* Don't say we've got more room than we actually allocated */ 3372 param_len = min(param_len, data->alloc_len); 3373 3374 scsi_mode_select_len(csio, 3375 /* retries */ 1, 3376 /* cbfcnp */ cddone, 3377 /* tag_action */ MSG_SIMPLE_Q_TAG, 3378 /* scsi_page_fmt */ 1, 3379 /* save_pages */ 0, 3380 /* param_buf */ data->mode_buf, 3381 /* param_len */ param_len, 3382 /* minimum_cmd_size */ cdb_size, 3383 /* sense_len */ SSD_FULL_SIZE, 3384 /* timeout */ 50000); 3385 3386 /* See comments in cdgetmode() and cd6byteworkaround(). */ 3387 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3388 3389 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3390 /*sense_flags*/SF_RETRY_UA); 3391 3392 xpt_release_ccb(ccb); 3393 3394 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3395 3396 return (error); 3397 } 3398 3399 3400 static int 3401 cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 3402 { 3403 struct ccb_scsiio *csio; 3404 union ccb *ccb; 3405 int error; 3406 u_int8_t cdb_len; 3407 3408 error = 0; 3409 ccb = cdgetccb(periph, /* priority */ 1); 3410 csio = &ccb->csio; 3411 /* 3412 * Use the smallest possible command to perform the operation. 3413 */ 3414 if ((len & 0xffff0000) == 0) { 3415 /* 3416 * We can fit in a 10 byte cdb. 3417 */ 3418 struct scsi_play_10 *scsi_cmd; 3419 3420 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 3421 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3422 scsi_cmd->op_code = PLAY_10; 3423 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3424 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 3425 cdb_len = sizeof(*scsi_cmd); 3426 } else { 3427 struct scsi_play_12 *scsi_cmd; 3428 3429 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 3430 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3431 scsi_cmd->op_code = PLAY_12; 3432 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3433 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 3434 cdb_len = sizeof(*scsi_cmd); 3435 } 3436 cam_fill_csio(csio, 3437 /*retries*/2, 3438 cddone, 3439 /*flags*/CAM_DIR_NONE, 3440 MSG_SIMPLE_Q_TAG, 3441 /*dataptr*/NULL, 3442 /*datalen*/0, 3443 /*sense_len*/SSD_FULL_SIZE, 3444 cdb_len, 3445 /*timeout*/50 * 1000); 3446 3447 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3448 /*sense_flags*/SF_RETRY_UA); 3449 3450 xpt_release_ccb(ccb); 3451 3452 return(error); 3453 } 3454 3455 static int 3456 cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3457 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3458 { 3459 struct scsi_play_msf *scsi_cmd; 3460 struct ccb_scsiio *csio; 3461 union ccb *ccb; 3462 int error; 3463 3464 error = 0; 3465 3466 ccb = cdgetccb(periph, /* priority */ 1); 3467 3468 csio = &ccb->csio; 3469 3470 cam_fill_csio(csio, 3471 /* retries */ 1, 3472 /* cbfcnp */ cddone, 3473 /* flags */ CAM_DIR_NONE, 3474 /* tag_action */ MSG_SIMPLE_Q_TAG, 3475 /* data_ptr */ NULL, 3476 /* dxfer_len */ 0, 3477 /* sense_len */ SSD_FULL_SIZE, 3478 sizeof(struct scsi_play_msf), 3479 /* timeout */ 50000); 3480 3481 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3482 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3483 3484 scsi_cmd->op_code = PLAY_MSF; 3485 scsi_cmd->start_m = startm; 3486 scsi_cmd->start_s = starts; 3487 scsi_cmd->start_f = startf; 3488 scsi_cmd->end_m = endm; 3489 scsi_cmd->end_s = ends; 3490 scsi_cmd->end_f = endf; 3491 3492 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3493 /*sense_flags*/SF_RETRY_UA); 3494 3495 xpt_release_ccb(ccb); 3496 3497 return(error); 3498 } 3499 3500 3501 static int 3502 cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3503 u_int32_t etrack, u_int32_t eindex) 3504 { 3505 struct scsi_play_track *scsi_cmd; 3506 struct ccb_scsiio *csio; 3507 union ccb *ccb; 3508 int error; 3509 3510 error = 0; 3511 3512 ccb = cdgetccb(periph, /* priority */ 1); 3513 3514 csio = &ccb->csio; 3515 3516 cam_fill_csio(csio, 3517 /* retries */ 1, 3518 /* cbfcnp */ cddone, 3519 /* flags */ CAM_DIR_NONE, 3520 /* tag_action */ MSG_SIMPLE_Q_TAG, 3521 /* data_ptr */ NULL, 3522 /* dxfer_len */ 0, 3523 /* sense_len */ SSD_FULL_SIZE, 3524 sizeof(struct scsi_play_track), 3525 /* timeout */ 50000); 3526 3527 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3528 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3529 3530 scsi_cmd->op_code = PLAY_TRACK; 3531 scsi_cmd->start_track = strack; 3532 scsi_cmd->start_index = sindex; 3533 scsi_cmd->end_track = etrack; 3534 scsi_cmd->end_index = eindex; 3535 3536 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3537 /*sense_flags*/SF_RETRY_UA); 3538 3539 xpt_release_ccb(ccb); 3540 3541 return(error); 3542 } 3543 3544 static int 3545 cdpause(struct cam_periph *periph, u_int32_t go) 3546 { 3547 struct scsi_pause *scsi_cmd; 3548 struct ccb_scsiio *csio; 3549 union ccb *ccb; 3550 int error; 3551 3552 error = 0; 3553 3554 ccb = cdgetccb(periph, /* priority */ 1); 3555 3556 csio = &ccb->csio; 3557 3558 cam_fill_csio(csio, 3559 /* retries */ 1, 3560 /* cbfcnp */ cddone, 3561 /* flags */ CAM_DIR_NONE, 3562 /* tag_action */ MSG_SIMPLE_Q_TAG, 3563 /* data_ptr */ NULL, 3564 /* dxfer_len */ 0, 3565 /* sense_len */ SSD_FULL_SIZE, 3566 sizeof(struct scsi_pause), 3567 /* timeout */ 50000); 3568 3569 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3570 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3571 3572 scsi_cmd->op_code = PAUSE; 3573 scsi_cmd->resume = go; 3574 3575 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3576 /*sense_flags*/SF_RETRY_UA); 3577 3578 xpt_release_ccb(ccb); 3579 3580 return(error); 3581 } 3582 3583 static int 3584 cdstartunit(struct cam_periph *periph, int load) 3585 { 3586 union ccb *ccb; 3587 int error; 3588 3589 error = 0; 3590 3591 ccb = cdgetccb(periph, /* priority */ 1); 3592 3593 scsi_start_stop(&ccb->csio, 3594 /* retries */ 1, 3595 /* cbfcnp */ cddone, 3596 /* tag_action */ MSG_SIMPLE_Q_TAG, 3597 /* start */ TRUE, 3598 /* load_eject */ load, 3599 /* immediate */ FALSE, 3600 /* sense_len */ SSD_FULL_SIZE, 3601 /* timeout */ 50000); 3602 3603 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3604 /*sense_flags*/SF_RETRY_UA); 3605 3606 xpt_release_ccb(ccb); 3607 3608 return(error); 3609 } 3610 3611 static int 3612 cdstopunit(struct cam_periph *periph, u_int32_t eject) 3613 { 3614 union ccb *ccb; 3615 int error; 3616 3617 error = 0; 3618 3619 ccb = cdgetccb(periph, /* priority */ 1); 3620 3621 scsi_start_stop(&ccb->csio, 3622 /* retries */ 1, 3623 /* cbfcnp */ cddone, 3624 /* tag_action */ MSG_SIMPLE_Q_TAG, 3625 /* start */ FALSE, 3626 /* load_eject */ eject, 3627 /* immediate */ FALSE, 3628 /* sense_len */ SSD_FULL_SIZE, 3629 /* timeout */ 50000); 3630 3631 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3632 /*sense_flags*/SF_RETRY_UA); 3633 3634 xpt_release_ccb(ccb); 3635 3636 return(error); 3637 } 3638 3639 static int 3640 cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3641 { 3642 struct scsi_set_speed *scsi_cmd; 3643 struct ccb_scsiio *csio; 3644 union ccb *ccb; 3645 int error; 3646 3647 error = 0; 3648 ccb = cdgetccb(periph, /* priority */ 1); 3649 csio = &ccb->csio; 3650 3651 /* Preserve old behavior: units in multiples of CDROM speed */ 3652 if (rdspeed < 177) 3653 rdspeed *= 177; 3654 if (wrspeed < 177) 3655 wrspeed *= 177; 3656 3657 cam_fill_csio(csio, 3658 /* retries */ 1, 3659 /* cbfcnp */ cddone, 3660 /* flags */ CAM_DIR_NONE, 3661 /* tag_action */ MSG_SIMPLE_Q_TAG, 3662 /* data_ptr */ NULL, 3663 /* dxfer_len */ 0, 3664 /* sense_len */ SSD_FULL_SIZE, 3665 sizeof(struct scsi_set_speed), 3666 /* timeout */ 50000); 3667 3668 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3669 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3670 3671 scsi_cmd->opcode = SET_CD_SPEED; 3672 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3673 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3674 3675 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3676 /*sense_flags*/SF_RETRY_UA); 3677 3678 xpt_release_ccb(ccb); 3679 3680 return(error); 3681 } 3682 3683 static int 3684 cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3685 { 3686 union ccb *ccb; 3687 u_int8_t *databuf; 3688 u_int32_t lba; 3689 int error; 3690 int length; 3691 3692 error = 0; 3693 databuf = NULL; 3694 lba = 0; 3695 3696 ccb = cdgetccb(periph, /* priority */ 1); 3697 3698 switch (authinfo->format) { 3699 case DVD_REPORT_AGID: 3700 length = sizeof(struct scsi_report_key_data_agid); 3701 break; 3702 case DVD_REPORT_CHALLENGE: 3703 length = sizeof(struct scsi_report_key_data_challenge); 3704 break; 3705 case DVD_REPORT_KEY1: 3706 length = sizeof(struct scsi_report_key_data_key1_key2); 3707 break; 3708 case DVD_REPORT_TITLE_KEY: 3709 length = sizeof(struct scsi_report_key_data_title); 3710 /* The lba field is only set for the title key */ 3711 lba = authinfo->lba; 3712 break; 3713 case DVD_REPORT_ASF: 3714 length = sizeof(struct scsi_report_key_data_asf); 3715 break; 3716 case DVD_REPORT_RPC: 3717 length = sizeof(struct scsi_report_key_data_rpc); 3718 break; 3719 case DVD_INVALIDATE_AGID: 3720 length = 0; 3721 break; 3722 default: 3723 error = EINVAL; 3724 goto bailout; 3725 break; /* NOTREACHED */ 3726 } 3727 3728 if (length != 0) { 3729 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3730 } else 3731 databuf = NULL; 3732 3733 3734 scsi_report_key(&ccb->csio, 3735 /* retries */ 1, 3736 /* cbfcnp */ cddone, 3737 /* tag_action */ MSG_SIMPLE_Q_TAG, 3738 /* lba */ lba, 3739 /* agid */ authinfo->agid, 3740 /* key_format */ authinfo->format, 3741 /* data_ptr */ databuf, 3742 /* dxfer_len */ length, 3743 /* sense_len */ SSD_FULL_SIZE, 3744 /* timeout */ 50000); 3745 3746 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3747 /*sense_flags*/SF_RETRY_UA); 3748 3749 if (error != 0) 3750 goto bailout; 3751 3752 if (ccb->csio.resid != 0) { 3753 xpt_print(periph->path, "warning, residual for report key " 3754 "command is %d\n", ccb->csio.resid); 3755 } 3756 3757 switch(authinfo->format) { 3758 case DVD_REPORT_AGID: { 3759 struct scsi_report_key_data_agid *agid_data; 3760 3761 agid_data = (struct scsi_report_key_data_agid *)databuf; 3762 3763 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3764 RKD_AGID_SHIFT; 3765 break; 3766 } 3767 case DVD_REPORT_CHALLENGE: { 3768 struct scsi_report_key_data_challenge *chal_data; 3769 3770 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3771 3772 bcopy(chal_data->challenge_key, authinfo->keychal, 3773 min(sizeof(chal_data->challenge_key), 3774 sizeof(authinfo->keychal))); 3775 break; 3776 } 3777 case DVD_REPORT_KEY1: { 3778 struct scsi_report_key_data_key1_key2 *key1_data; 3779 3780 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3781 3782 bcopy(key1_data->key1, authinfo->keychal, 3783 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3784 break; 3785 } 3786 case DVD_REPORT_TITLE_KEY: { 3787 struct scsi_report_key_data_title *title_data; 3788 3789 title_data = (struct scsi_report_key_data_title *)databuf; 3790 3791 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3792 RKD_TITLE_CPM_SHIFT; 3793 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3794 RKD_TITLE_CP_SEC_SHIFT; 3795 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3796 RKD_TITLE_CMGS_SHIFT; 3797 bcopy(title_data->title_key, authinfo->keychal, 3798 min(sizeof(title_data->title_key), 3799 sizeof(authinfo->keychal))); 3800 break; 3801 } 3802 case DVD_REPORT_ASF: { 3803 struct scsi_report_key_data_asf *asf_data; 3804 3805 asf_data = (struct scsi_report_key_data_asf *)databuf; 3806 3807 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3808 break; 3809 } 3810 case DVD_REPORT_RPC: { 3811 struct scsi_report_key_data_rpc *rpc_data; 3812 3813 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3814 3815 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3816 RKD_RPC_TYPE_SHIFT; 3817 authinfo->vend_rsts = 3818 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3819 RKD_RPC_VENDOR_RESET_SHIFT; 3820 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3821 authinfo->region = rpc_data->region_mask; 3822 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3823 break; 3824 } 3825 case DVD_INVALIDATE_AGID: 3826 break; 3827 default: 3828 /* This should be impossible, since we checked above */ 3829 error = EINVAL; 3830 goto bailout; 3831 break; /* NOTREACHED */ 3832 } 3833 bailout: 3834 if (databuf != NULL) 3835 free(databuf, M_DEVBUF); 3836 3837 xpt_release_ccb(ccb); 3838 3839 return(error); 3840 } 3841 3842 static int 3843 cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3844 { 3845 union ccb *ccb; 3846 u_int8_t *databuf; 3847 int length; 3848 int error; 3849 3850 error = 0; 3851 databuf = NULL; 3852 3853 ccb = cdgetccb(periph, /* priority */ 1); 3854 3855 switch(authinfo->format) { 3856 case DVD_SEND_CHALLENGE: { 3857 struct scsi_report_key_data_challenge *challenge_data; 3858 3859 length = sizeof(*challenge_data); 3860 3861 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3862 3863 databuf = (u_int8_t *)challenge_data; 3864 3865 scsi_ulto2b(length - sizeof(challenge_data->data_len), 3866 challenge_data->data_len); 3867 3868 bcopy(authinfo->keychal, challenge_data->challenge_key, 3869 min(sizeof(authinfo->keychal), 3870 sizeof(challenge_data->challenge_key))); 3871 break; 3872 } 3873 case DVD_SEND_KEY2: { 3874 struct scsi_report_key_data_key1_key2 *key2_data; 3875 3876 length = sizeof(*key2_data); 3877 3878 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3879 3880 databuf = (u_int8_t *)key2_data; 3881 3882 scsi_ulto2b(length - sizeof(key2_data->data_len), 3883 key2_data->data_len); 3884 3885 bcopy(authinfo->keychal, key2_data->key1, 3886 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 3887 3888 break; 3889 } 3890 case DVD_SEND_RPC: { 3891 struct scsi_send_key_data_rpc *rpc_data; 3892 3893 length = sizeof(*rpc_data); 3894 3895 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3896 3897 databuf = (u_int8_t *)rpc_data; 3898 3899 scsi_ulto2b(length - sizeof(rpc_data->data_len), 3900 rpc_data->data_len); 3901 3902 rpc_data->region_code = authinfo->region; 3903 break; 3904 } 3905 default: 3906 error = EINVAL; 3907 goto bailout; 3908 break; /* NOTREACHED */ 3909 } 3910 3911 scsi_send_key(&ccb->csio, 3912 /* retries */ 1, 3913 /* cbfcnp */ cddone, 3914 /* tag_action */ MSG_SIMPLE_Q_TAG, 3915 /* agid */ authinfo->agid, 3916 /* key_format */ authinfo->format, 3917 /* data_ptr */ databuf, 3918 /* dxfer_len */ length, 3919 /* sense_len */ SSD_FULL_SIZE, 3920 /* timeout */ 50000); 3921 3922 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3923 /*sense_flags*/SF_RETRY_UA); 3924 3925 bailout: 3926 3927 if (databuf != NULL) 3928 free(databuf, M_DEVBUF); 3929 3930 xpt_release_ccb(ccb); 3931 3932 return(error); 3933 } 3934 3935 static int 3936 cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 3937 { 3938 union ccb *ccb; 3939 u_int8_t *databuf; 3940 u_int32_t address; 3941 int error; 3942 int length; 3943 3944 error = 0; 3945 databuf = NULL; 3946 /* The address is reserved for many of the formats */ 3947 address = 0; 3948 3949 ccb = cdgetccb(periph, /* priority */ 1); 3950 3951 switch(dvdstruct->format) { 3952 case DVD_STRUCT_PHYSICAL: 3953 length = sizeof(struct scsi_read_dvd_struct_data_physical); 3954 break; 3955 case DVD_STRUCT_COPYRIGHT: 3956 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 3957 break; 3958 case DVD_STRUCT_DISCKEY: 3959 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 3960 break; 3961 case DVD_STRUCT_BCA: 3962 length = sizeof(struct scsi_read_dvd_struct_data_bca); 3963 break; 3964 case DVD_STRUCT_MANUFACT: 3965 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 3966 break; 3967 case DVD_STRUCT_CMI: 3968 error = ENODEV; 3969 goto bailout; 3970 #ifdef notyet 3971 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 3972 address = dvdstruct->address; 3973 #endif 3974 break; /* NOTREACHED */ 3975 case DVD_STRUCT_PROTDISCID: 3976 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 3977 break; 3978 case DVD_STRUCT_DISCKEYBLOCK: 3979 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 3980 break; 3981 case DVD_STRUCT_DDS: 3982 length = sizeof(struct scsi_read_dvd_struct_data_dds); 3983 break; 3984 case DVD_STRUCT_MEDIUM_STAT: 3985 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 3986 break; 3987 case DVD_STRUCT_SPARE_AREA: 3988 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 3989 break; 3990 case DVD_STRUCT_RMD_LAST: 3991 error = ENODEV; 3992 goto bailout; 3993 #ifdef notyet 3994 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 3995 address = dvdstruct->address; 3996 #endif 3997 break; /* NOTREACHED */ 3998 case DVD_STRUCT_RMD_RMA: 3999 error = ENODEV; 4000 goto bailout; 4001 #ifdef notyet 4002 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 4003 address = dvdstruct->address; 4004 #endif 4005 break; /* NOTREACHED */ 4006 case DVD_STRUCT_PRERECORDED: 4007 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 4008 break; 4009 case DVD_STRUCT_UNIQUEID: 4010 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 4011 break; 4012 case DVD_STRUCT_DCB: 4013 error = ENODEV; 4014 goto bailout; 4015 #ifdef notyet 4016 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 4017 address = dvdstruct->address; 4018 #endif 4019 break; /* NOTREACHED */ 4020 case DVD_STRUCT_LIST: 4021 /* 4022 * This is the maximum allocation length for the READ DVD 4023 * STRUCTURE command. There's nothing in the MMC3 spec 4024 * that indicates a limit in the amount of data that can 4025 * be returned from this call, other than the limits 4026 * imposed by the 2-byte length variables. 4027 */ 4028 length = 65535; 4029 break; 4030 default: 4031 error = EINVAL; 4032 goto bailout; 4033 break; /* NOTREACHED */ 4034 } 4035 4036 if (length != 0) { 4037 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 4038 } else 4039 databuf = NULL; 4040 4041 scsi_read_dvd_structure(&ccb->csio, 4042 /* retries */ 1, 4043 /* cbfcnp */ cddone, 4044 /* tag_action */ MSG_SIMPLE_Q_TAG, 4045 /* lba */ address, 4046 /* layer_number */ dvdstruct->layer_num, 4047 /* key_format */ dvdstruct->format, 4048 /* agid */ dvdstruct->agid, 4049 /* data_ptr */ databuf, 4050 /* dxfer_len */ length, 4051 /* sense_len */ SSD_FULL_SIZE, 4052 /* timeout */ 50000); 4053 4054 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4055 /*sense_flags*/SF_RETRY_UA); 4056 4057 if (error != 0) 4058 goto bailout; 4059 4060 switch(dvdstruct->format) { 4061 case DVD_STRUCT_PHYSICAL: { 4062 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 4063 struct dvd_layer *outlayer; 4064 struct scsi_read_dvd_struct_data_physical *phys_data; 4065 4066 phys_data = 4067 (struct scsi_read_dvd_struct_data_physical *)databuf; 4068 inlayer = &phys_data->layer_desc; 4069 outlayer = (struct dvd_layer *)&dvdstruct->data; 4070 4071 dvdstruct->length = sizeof(*inlayer); 4072 4073 outlayer->book_type = (inlayer->book_type_version & 4074 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 4075 outlayer->book_version = (inlayer->book_type_version & 4076 RDSD_BOOK_VERSION_MASK); 4077 outlayer->disc_size = (inlayer->disc_size_max_rate & 4078 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 4079 outlayer->max_rate = (inlayer->disc_size_max_rate & 4080 RDSD_MAX_RATE_MASK); 4081 outlayer->nlayers = (inlayer->layer_info & 4082 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 4083 outlayer->track_path = (inlayer->layer_info & 4084 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 4085 outlayer->layer_type = (inlayer->layer_info & 4086 RDSD_LAYER_TYPE_MASK); 4087 outlayer->linear_density = (inlayer->density & 4088 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 4089 outlayer->track_density = (inlayer->density & 4090 RDSD_TRACK_DENSITY_MASK); 4091 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 4092 RDSD_BCA_SHIFT; 4093 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 4094 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 4095 outlayer->end_sector_l0 = 4096 scsi_3btoul(inlayer->end_sector_layer0); 4097 break; 4098 } 4099 case DVD_STRUCT_COPYRIGHT: { 4100 struct scsi_read_dvd_struct_data_copyright *copy_data; 4101 4102 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 4103 databuf; 4104 4105 dvdstruct->cpst = copy_data->cps_type; 4106 dvdstruct->rmi = copy_data->region_info; 4107 dvdstruct->length = 0; 4108 4109 break; 4110 } 4111 default: 4112 /* 4113 * Tell the user what the overall length is, no matter 4114 * what we can actually fit in the data buffer. 4115 */ 4116 dvdstruct->length = length - ccb->csio.resid - 4117 sizeof(struct scsi_read_dvd_struct_data_header); 4118 4119 /* 4120 * But only actually copy out the smaller of what we read 4121 * in or what the structure can take. 4122 */ 4123 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 4124 dvdstruct->data, 4125 min(sizeof(dvdstruct->data), dvdstruct->length)); 4126 break; 4127 } 4128 bailout: 4129 4130 if (databuf != NULL) 4131 free(databuf, M_DEVBUF); 4132 4133 xpt_release_ccb(ccb); 4134 4135 return(error); 4136 } 4137 4138 void 4139 scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 4140 void (*cbfcnp)(struct cam_periph *, union ccb *), 4141 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 4142 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 4143 u_int8_t sense_len, u_int32_t timeout) 4144 { 4145 struct scsi_report_key *scsi_cmd; 4146 4147 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 4148 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4149 scsi_cmd->opcode = REPORT_KEY; 4150 scsi_ulto4b(lba, scsi_cmd->lba); 4151 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4152 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4153 (key_format & RK_KF_KEYFORMAT_MASK); 4154 4155 cam_fill_csio(csio, 4156 retries, 4157 cbfcnp, 4158 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 4159 tag_action, 4160 /*data_ptr*/ data_ptr, 4161 /*dxfer_len*/ dxfer_len, 4162 sense_len, 4163 sizeof(*scsi_cmd), 4164 timeout); 4165 } 4166 4167 void 4168 scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 4169 void (*cbfcnp)(struct cam_periph *, union ccb *), 4170 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 4171 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 4172 u_int32_t timeout) 4173 { 4174 struct scsi_send_key *scsi_cmd; 4175 4176 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 4177 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4178 scsi_cmd->opcode = SEND_KEY; 4179 4180 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 4181 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4182 (key_format & RK_KF_KEYFORMAT_MASK); 4183 4184 cam_fill_csio(csio, 4185 retries, 4186 cbfcnp, 4187 /*flags*/ CAM_DIR_OUT, 4188 tag_action, 4189 /*data_ptr*/ data_ptr, 4190 /*dxfer_len*/ dxfer_len, 4191 sense_len, 4192 sizeof(*scsi_cmd), 4193 timeout); 4194 } 4195 4196 4197 void 4198 scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 4199 void (*cbfcnp)(struct cam_periph *, union ccb *), 4200 u_int8_t tag_action, u_int32_t address, 4201 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 4202 u_int8_t *data_ptr, u_int32_t dxfer_len, 4203 u_int8_t sense_len, u_int32_t timeout) 4204 { 4205 struct scsi_read_dvd_structure *scsi_cmd; 4206 4207 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 4208 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4209 scsi_cmd->opcode = READ_DVD_STRUCTURE; 4210 4211 scsi_ulto4b(address, scsi_cmd->address); 4212 scsi_cmd->layer_number = layer_number; 4213 scsi_cmd->format = format; 4214 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4215 /* The AGID is the top two bits of this byte */ 4216 scsi_cmd->agid = agid << 6; 4217 4218 cam_fill_csio(csio, 4219 retries, 4220 cbfcnp, 4221 /*flags*/ CAM_DIR_IN, 4222 tag_action, 4223 /*data_ptr*/ data_ptr, 4224 /*dxfer_len*/ dxfer_len, 4225 sense_len, 4226 sizeof(*scsi_cmd), 4227 timeout); 4228 } 4229